of Worldwide Stamp Collectors
[A-B] [C-E] [F-H] [I-L] [P-R] [S-U] [V-Z]
[Cyrillic & Greek] [Bogus]
M
(overprint): Belgium, military parcel posts.M.
(overprint): South Australia, officials (1868-74) [Military].M.A.
(overprint): Argentina, officials [Ministry of Agriculture].M. B.
(overprint): South Australia, officials (1868-74) [Marine Board].MACAU
: Macao.MACAV
: Macao.MADAGASCAR
(overprint on stamps of France): Madagascar (1895).MADEIRA
(overprint on stamps of Portugal): Madeira (1868-98).MADERANERTHAL
: Switzerland, hotel local stamp.MADRID
: Spain (1920-30).MAFEKING
(overprint on stamps of Bechuanaland): Cape of Good Hope (1900).MAFEKING
(overprint): Cape of Good Hope (1900).MAGYAR
: Hungary.MAGYAR KIR. HIRLAP BELYEG
: Hungary, newspaper tax stamps.MAGYAR KIR(ALYN) POSTA
: Hungary [Hungarian Royal Post].MAGYAR NEMZETI KORMANY SZEGED
(overprint): Hungary- Szeged- Serbian occupation (1919) [Hungarian People’s Government Szeged].MAGYAR NEPKOZTARSASAG
: Hungary (1919) [People’s Popular Republic].MAGYARORSZAG
: Hungary (1925) [Hungarian State].MAGYAR TANACS KOZTARSASAG
: Hungary (1919) [Hungarian Soviet Republic].MAHRA SULTANATE OF QISHN AND SOCOTRA
: South Arabia (1967).MAI GT. PRE. 1902
(overprint): Haiti (1902) [Gouvernement Provisoire (Provisional Government)].M.A.L.
: cancel of British Forces in North and East Africa [Military Authority Lira].MALACCA
: Malaya- Malacca.MALAGA
(overprint): Spain revolutionary issues- Malaga (1937).MALAGA ARRIBA ESPANA
(overprint): Spain- Malaga, revenues.MALAGASY
: Madagascar (1961-present).MALAYA
(overprint over portrait of Sultan): Malaya- Kelantan, Negri Sembilan, Pahang, Perak, Perlis, Selanegor or Trengganu.MALAYA
(overprint over picture of mosque): Selangor.MALAYA
(overprint over picture of over picture of State Arms): Negri Sembilan.MALAYAN POSTAL UNION
: Malaya, postage dues (1945).MALAYA PERLIS
: Malaya- Perlis.MALAYA SINGAPORE
: Singapore.MALDIVES
(overprint on stamps of Ceylon): Maldives Islands(1906-9).MALGACHE
: Madagascar (1959-61).MALMEDY
(overprint on stamps of Belgium): Germany- Belgian occupation of Melmedy (1920-1).MALUKA SELATAN
: South Moloccas (Indonesian private issues).MANAMA
: Ajman- Manama.MANDAT
: Netherlands, money order stamps (1894).MANIZALES
: Colombia- Manizales.MAPKA
: Russia, Finland or Serbia.MARCA DA BOLLO
: Italy.MARIANAS ESPANOL
(overprint on stamps of Spain): Mariana Islands (1899).MARIANEN
: Mariana Islands (1899-1919).MARIENWERDER
(overprint on stamps of Germany): Marienwerder plebescite (1920).MARK
(currency): Finland, Germany.MARKA
(currency): Estonia (1919-28), Russia.MARKAA
(currency): Finland.MARKKA
(currency): Finland.MAROC
: French Morocco, Morocco.MAROCCO
(overprint on stamps of Germany): Germany- Offices in Morocco.MAROKKO
(overprint on stamps of Germany): Germany- Offices in Morocco (1911).MARRUECOS
: Morocco- Northern Zone (1956-8).MARRUECOS
(overprint on stamps of Spain): Spanish Morocco.MARRUECOS ESPANOL
: Spanish Morocco- Northern Zone.MARSHALL INSELN
: Marshall lslands.MARTINIQUE
(overprint on stamps of French Colonies): Martinique (1886-92).MARSCHELL INSELN
: Marshall Islands.MAURITANIE
: Mauritania.MAGAZON A MOROC
: Sultanate of Morocco, local issue of questionable repute (1891) [Mazagan to Morocco].MAGAZON MARAKECH
: Sultanate of Morocco, local issue of questionable repute (1893) [Mazagan to Marakesh].MAT TUAN D.T.G.P. MIEN NAM VIET NAM
: National Front for the liberation of South Vietnam.MAZATLAN
(overprint): Mexico- Mazatlan (1916).M.B.D.
(overprint): India- Nandgaon, officials (1893-5).MBLEDHJA KUSHTETUGESE
(overprint on stamps of Italy): Albania- Italian dominion (1939).MBRETNIJA SHQIPTARE
: Albania- Italian occupation.MECKLENB.
: German States- Mecklenburg-Schwerin (1856-67).MEDELLIN PROVISIONAL
: Colombia- Antioquia (1888-9).MEDIA ONZA
: Spain, official stamps (1854-63).M.E.F.
(overprint on stamps of Great Britain): Great Britain- Offices in Africa (1942-50) [Middle East Forces].MEJICO
: Mexico (1856-64).MELAKA
: Malaysia- Malacca.MELAT-I-KAZERUN 1335
(overprint): Iran, unofficial rebellion overprint (1917).MEMEL
(overprint on stamps of France): Memel (1920-3).MEMEL
with KLAIPEDA: Memel- Lithuanian occupation (1923).MEMEL GEBIET
: Memel [Memel District].MENSAJERIAS
: Uruguay, special delivery stamps.METELIN
(overprint on stamps of Russia): Russia- Offices in Turkey (1910).MEXICANO
: Mexico.MEXICO TRANSITORIO:
Mexico- Sonora revenues.M.G.
(overprint): Argentina, officials [Ministry of War].M.H.
(overprint): Argentina, officials [Ministry of Finance].M.I.
(overprint): Argentina, officials [Ministry of Interior].MILESIMA DE ESCUDO
(currency): Spain.MILESIMA DE PESO
(currency): Spanish Colonies.MILESIMO
(currency): Uruguay.MILITAR K.u.K. POST
: Bosnia and Herzegovina- Austrian Administration (1912).MILITARPOST
: Bosnia and Herzegovina.MILITAR POST EILMARKE
: Bosnia and Herzegovina, special handling stamps.MILIT. (POST) PORTOMARKE
: Bosnia and Herzegovina, military post postage dues..MILL.
(currency surcharge on stamps of France): France- Offices in Egypt (1921-8).MILLIEME(S
) (currency surcharge on stamps of France): France- Offices in Egypt (1921-8).M.J.I.
(overprint): Argentina, officials [Ministry of Justice and Education].M. KIR.
: Hungary (1916).M.M.
(overprint): Argentina, officials [Ministry of Marine].MN
: Korea (1884-95).MOCAMBIQUE
: Mozambique.MOHΓOЛ
ЩЧAAH: Outer Mongolia.MOGADORO A MAROC
: Sultanate of Morocco, local issue of questionable repute (1895) [Mogadoro to Morocco].MONGTSEU
(overprint on stamps of Indo-China): France- Offices in China- Mongtseu (1903-9).MONGTZE
(overprint on stamps of Indo-China): France- Offices in China- Mongtseu (1903-9).MONISTIR
(overprint on stamps of Turkey): Turkey, for royal visit of Sultan to Rumelia (1911) [City of Monistir].MONROVIA
: Liberia.MONSTER
(overprint): Dutch language countries [Specimen].MONT ATHOS
(overprint on stamps of Russia): Russia- Offices in Turkey- Mont Athos (1909-10).MONTE CASSINO 1944
(overprint on stamps of Poland-Exile in Great Britain): Polish government in exile (1944).MONTENEGRO
(overprint on stamps of Austria): Montenegro- Austrian occupation (1917-8).MONTENEGRO
(overprint on stamps of Italy): Montenegro- Italian occupation (1941-2).MONTEREY
(overprint): Mexico- Monterey.MONTEVIDEO
: Uruguay- Montevideo (1858-67).MONTSERRAT
(overprint on stamps of Antigua): Montserrat (1876).M.O.P.
(overprint): Argentina, officials [Ministry of Public Works].MOQUEA
(overprint): Peru- Moquegua- Chilean occupation (1885).MOQUEGUA
(overprint): Peru- Moquegua, applied after regional earthquake (1881).MOQUEGUA
(overprint on stamps of Arequipa): Peru- Arequipa- Moquegua- Chilean occupation (1885).MORA
: Ukraine.MORELIA
(overprint): Mexico- Morelia.MORROCCO AGENCIES
(overprint on stamps of Gibraltar): Great Britain- Offices in Morocco.MORROCCO AGENCIES
(overprint on stamps of Great Britain): Great Britain- Offices in Morocco.MORVI
: India- Morvi (1931-48).MOYEN CONGO
: Middle Congo.MQE
(overprint on stamps of French Colonies): Martinique (1886-91).M. R.
(overprint): South Australia, officials (1868-74) [Manager of Railways].M.R.C.
(overprint): Argentina, officials [Ministry of Foreign Affairs and Religion].M. R. G.
(overprint): South Australia, officials (1868-74) [Main Roads Gambierton].MUESTRA
(overprint): Spanish language countries [Specimen].MULTA
: several countries, postage dues [Fined].MULTADA
: Chile, postage dues[Fined].MULTAS
: Ecuador, postage dues[Fined].MUSCAT & OMAN
: Oman (1966-70).MUSTER
(overprint): German language countries [Specimen].M.V.i.R.
(overprint): Romania- German occupation (1917-8) [Militar Verwaltung in Rumanien (Military Administration of Romania].NABHA
: India- Nabha.NACHMARKE
(overprint): Austria, postage dues.NACH PORTO
(overprint): Liechtenstein, postage dues [After Postage].NACIONES UNIDAS
: United Nations.NANDGAM
: India- Nandgam (1891-5).NADRUK
(underprint): Netherlands (1852) [Reprint].NA OSWIATE
: Poland, semipostals [For Public Instruction].NAPA PARA
(currency): Yugoslavia, Croatia, Serbia, Slovenia.NAPOLETANA
: Italian States-Two Sicilies.NA SKARB NARODOWY
: Poland, semipostals [For National Funds].NA SLASK
(overprint): Central Lithuania.NATIONALER VERWALTUNGS AUSSCHUSS 10.XI 1943
(overprint): Yugoslavia and Montenegro- German occupation of Montenegro (1943).NATIONALSOZIAL DEUTSCHE ARBIETERPARTE
: Germany, franchise stamps [National Socialist German Worker’s party].NATIONAL VERSAMMLUNG
: Germany (1919) [National Assembly].NATIONS UNIES
: United Nations.NATIONS UNIES OFFICE EUROPEEN (
overprint on stamps of Switzerland): Switzerland, officials [United Nations European Office].NAURU
(overprint on stamps of Great Britain): Nauru (1916-23).N.C.E.
(overprint on stamps of French Colonies): New Caledonia (1881-93).N.D. HRVATSKA
: Croatia.N.D. RATNI DOPRINOS
: Croatia.Nebr.
(overprint): U.S. Nebraska overprints to reduce theft (1929).NED ANTILLEN
: Netherlands Antilles (1949-present).NEDERLAND
: Netherlands.NEDERLANDSCH-INDIE
: Netherlands Indies (1864-1949).NEDERLANDSE ANTILLEN
: Netherlands Antilles (1949-present).NEDERLANDS NIEUW GUINEA
: Netherlands New Guinea (1950-62).NEDERL-INDIE
: Netherlands Indies (1864-1949).NED-INDIE
: Netherlands Indies (1864-1949).NED NIEUW GUINEA
: Netherlands New Guinea (1950-62).NEGRI SEMBILAN
: Malaya- Negri Sembilan.NE PAS LIVRER LE DIMANCHE
: Belgium label (French inscription) preventing Sunday mail delivery (1893-1915) [Do Not Deliver Sunday].NEU-GROSCHEN
(currency): German States- Saxony.NEW GRANADA
: Colombia (pre 1862).NEW HEBRIDES CONDOMINIUM
(overprint on stamps of Fiji): New Hebrides (1908-10).NEZAVISNA DRZAVA HRVATSKA
: Croatia, postal tax stamps.N.F.
(overprint on stamps of Nyasaland): German East Africa- British occupation (1917) [Nyasaland Force].N. FL.
: Armenia.NIET BESTELLEN OP ZONTAGE
: Belgium label (Flemish inscription) preventing Sunday mail delivery (1893-1915) [Do Not Deliver Sunday].NIEUW GUINEA:
Netherlands New Guinea (1950-62).NIEUW REPUBLIEK ZUID AFRIKA
: New Republic.NIPPON
: Japan (1966-present).NISIRO
(overprint on stamps of Italy): Italy- Aegean Islands- Nisiro (1932-32).NISIROS
(overprint on stamps of Italy): Italy- Aegean Islands- Nisiro (1912-22).NIUE
(overprint on stamps of New Zealand): Niue.NIVINI
(overprint on special delivery stamps): Czechoslovakia, newspaper stamps.NIWIN
(overprint): Curacao, semipostals [initials of an Indonesian relief agency].NLLE. CALEDONIE
(overprint on stamps of French Colonies): New Caledonia (1892).NO HAY ESTAMPILLAS
(overprint): Colombia (1912) [There are no stamps].NOPTO MAPKA
: Serbia, postage dues.NORDDEUTSCHER POST-BEZIRK
: German States- North German Confederation (1868-71) [North German Postal Circuit].NORD-DEUTSCH-POST
: German States- North German Confederation, officials (1870-1).NOREG
: Norway (1951).NORFOLK ISLANDS
(overprint on stamps of Australia): Norfolk Islands (1959).NORGE
: Norway.NOSSI-BE
(overprint on stamps of French Colonies): Nossi-Be (1891-4).NOUVELLE CALEDONIE
: New Caledonia (1905-present).NOUVELLES HEBRIDES
: New Hebrides- French issues.NOUVELLES HEBRIDES
(overprint on stamps of New Caledonia): New Hebrides- French issues.NOWANUGGUR
: India- Nowanuggur (1877).NOWTA
: Serbia.ПOYTA
: Russia.ПOYT MAPKA
(no country name): Azerbaijan (1922-4).NSB
(overprint on stamps of French Colonies): Nossi-Be (1890-3).N. SEMBILAN
: Malaya- Negri Sembilian.N.S.W.
: New South Wales.N. T.
(overprint): South Australia, officials (1868-74) [Northern Territory].N.W. PACIFIC ISLANDS
(overprint on stamps of Australia): North West Pacific Islands (1915-6).NYASSA
(overprint on stamps of Mozambique): Nyassa (1898).N.Z.
: New Zealand.
OLYM
: Greece.OLYMП
: Greece.OLYMПIAKOI
: Greece.O. A.
(overprint): South Australia, officials (1868-74) [Official Assignee].OAHA MAPKA:
Finland (1866-74).OAXACA
: Mexico- Oaxaca (1914).O.B.
(overprint): Philippines, officials (1906-present) [Official Business].OBOCK
(overprint on stamps of French Colonies): Obock.OCCUPATION AZIRBAYEDJAN
(overprint on stamps of Russia): Azerbaijan, unofficial overprints by Entente Allied officers (1918).OCCUPATION FRANCAISE
(overprint): Hungary- French occupation (1919).OCCUPATION FRANCAISE CAMEROUN
(overprint on stamps of Middle Congo): Cameroon- French occupation.OCEANIE
: French Polynesia (1892-1958).OCUPACION DE PASQUA
: Chile, semipostal for Easter Island.OДHA MAPKA YKSIMAPKKA
: Finland.OESTERR
: Austria (1883-1907) [Austria].OESTERR POST
with KAIS KOENIGL: Austria (1883-1907).OESTERR POST LIECHTENSTEIN
: Liechtenstein- Austrian postal administration (1912-20).OEUVRES DE GUERRE
(overprint): Cameroon, semipostals.OEUVRES DE SOLIDARITE FRANCAISE
: French Colonies, semipostals (1943-4).OEUVRES SOCIALES
(overprint on stamps of St. Pierre & Miquelon): St. Pierre & Miquelon, semipostals.O.F. CASTELLORISO
(overprint on stamps of France): France- Castellorizo occupation.OFFENTLIG SAK
: Norway, officials.OFFICIAL
(overprint on stamps of Kenya and Uganda): Tanganyika, officials (1959-60).OFFISIEEL
: South West Africa, officials.OFFISIEEL-OFFICIAL
: South Africa, officials.OFF. SAK.
: Norway, officials.OFFICIEL
(overprint): Luxembourg, officials.OFFICIEL
(overprint): Iran, officials denoting genuiness (1885-7).OFICIAL
: Spanish or Portuguese language countries [Official].O.Ф.
(overprint with airplane): Bulgaria, airmails.O.H.E.M.S.
(overprint): Egypt, officials (1922).O.H.H.S.
(overprint): Egypt, officials (1907-1922) [On His Highness’ Service].O.H.M.S.
(overprint): Canada, officials [On His (or Her) Majesty’s Service].OHU POST
: Estonia, airmails.OIL RIVERS
: Niger Coast Protectorate (1892-3).OKCA
: Russia- Army of the North (1919) [Odjeiny Korpus SevernoyArmii].O.K.C.A. POCCIЯ
: Russia- Army of the North (1918).O.L.
(overprint): Monaco, letters handed to mailmen or found in post boxes prior to 1908 [Origine Locale (Local Origin)].OLTRE GIUBA
(overprint on stamps of Italy): Oltre Giuba.O.M.F. CILICIE
(overprint on stamps of France): France- occupation of Cilicia.O.M.F. SYRIE
(overprint on stamps of France): Syria (1920-22) [Occupation Militaire Francaise (French Military Occupation)].ON C.G.S.
(overprint on stamps of India- Cochin): India- Cochin, officials [On Cochin Government Service].O.N.F. CASTELLORIZO
(overprint on stamps of French Levant): France- Castellorizo occupation [Occupation Navale Francaise (French Naval Occupation)].ON K.D.S.
(overprint): India- Kishangarah, officials [On Kishengarh Durbar Service].ON L.F.S.
(overprint): India, private overprints to prevent theft [On Local Funds Service].ON S.S.
(overprint): India- Travanacore, officials.ON S.S.S.
(overprint): India- Sirmoor, officials [On Sirmoor State Service].ON STATE SERVICE
(overprint): Iraq, officials.ONZA
: Spain, officials [Ounce].O.P.S.O.
(overprint): New Zealand, officials for Post Office sent abroad [On Public Service Only].ORANGE RIVER COLONY
(overprint on stamps of Cape of Good Hope): Orange River Colony (1900-2).ORANJE VRIJ STAAT
: Orange River Colony [Orange Free State].ORCHA
: India- Orchha (1913-7).ORCHHA
: India- Orchha (1913-7).ORDINARY
(overprint): Liberia, airmail to regular mail conversion.ORE
(currency) Denmark, Sweden or Norway.ORGANISATION INTERNACIONALE POUR LES REFUGIES
(overprint): Switzerland- Int. Org. for Refugees, officials (1950).ORGANISATION MONDIALE DE LA SANTE
(overprint): Switzerland- World Health Organization, officials.ORO PASTAS
: Lithuania, air mails.ORPHELINS DE LA GUERRE
: France, semipostals [War Orphans].ORTS-POST
: Switzerland (1850).O.S.
: Norway, officials (1951-2) [Offentlig Sax].O.S.
: English language countries, officials [On Service].O.S.G.S.
(overprint): Sudan, officials [On Sudan Government Service].OSTEN
(overprint on stamps of Germany): Poland- German Occupation (1939).OSTERREICH
: Austria.OSTERREICHISCHE POST
: Austria.OSTERR-POST
: Austria.OSTLAND
(overprint on stamps of Germany): Russia- German occupation (1941-3).O.T.
(overprint): Czechoslovakia, newspaper stamps used by commercial firms.OTVORENIE SLOVENSKENO
(overprint on stamps of Czechoslovakia): Slovakia (1939).OUBANGUI-CHARI
: Ubangi.OUBANGUI-CHARI-TCHAD
(overprint on stamps of Middle Congo): Ubangi (1915-24).O.U.S.
(overprint between wavy lines): Great Britain, official overprint for the Oxford Union Society to prevent pilfering of 1d reds.O.W. OFFICIAL
(overprint): Great Britain- Office of Public Works, officials (1896-1902).