Compendium of postage stamp issuers (Me–Mz)

Each "article" in this category is a collection of entries about several stamp issuers, presented in alphabetical order. The entries are formulated on the micro model and so provide summary information about all known issuers.
See the :Category:Compendium of postage stamp issuers page for details of the project.

Mecklenburg-Schwerin

;Dates : 1856–1868
;Capital : Schwerin
;Currency : 48 schillings = 1 thaler
;Refer : German States

Mecklenburg-Strelitz

;Dates : 1864–1868
;Capital : Strelitz
;Currency : 30 silbergroschen = 1 thaler
;Refer : German States

Mecklenburg-Vorpommern (Russian Zone)

;Dates : 1945–1946
;Capital : Schwerin
;Currency : 100 pfennige = 1 mark
;Refer : Germany (Allied Occupation)

MEF

;Refer : Middle East Forces (MEF)

Melaka

;Refer : Malacca

Memel (French Administration)

;Dates : 1920–1923
;Currency : 100 pfennige = 1 mark
;Refer : French Occupation Issues

Memel (Lithuanian Occupation)

;Refer : Klaipėda

Mengkiang (Japanese Occupation)

;Dates : 1942–1945
;Currency : 100 cents = 1 dollar
;Refer : Japanese Occupation Issues

Mengtse

;Refer : Mong-Tseu (Indochinese Post Offices)

Mesopotamia

;Refer : Mosul (Indian Forces)

Metelin

;Refer : Mytilene (Russian Post Office)

Mexico

;Dates : 1856 –
;Capital : Mexico City
;Currency : 8 reales = 100 centavos = 1 peso

Micronesia, Federated States of

;Dates : 1984 –
;Capital : Palikir
;Currency : 100 cents = 1 dollar
;Main Article : Postage stamps and postal history of the Federated States of Micronesia

Middle Congo

;Dates : 1907–1937
;Capital : Brazzaville
;Currency : 100 centimes = 1 franc
;Main Article Needed :
;See also : Congo Republic;

Middle East Forces (MEF)

;Dates : 1942–1947
;Currency : 12 pence = 1 shilling; 20 shillings = 1 pound
;Main Article Needed :
;See also : BA/BMA Issues;

Midway Islands

;Refer : United States of America (USA)

Modena

;Dates : 1852–1860
;Capital : Modena
;Currency : 100 centesimi = 1 lira
;Refer : Italian States

Moheli

;Dates : 1906–1914
;Capital :
;Currency : 100 centimes = 1 franc
;Refer : Madagascar & Dependencies

Moldavia

;Dates : 1858–1862
;Capital : Iași
;Currency : 40 parale = 1 piastre
;Refer : Romania

Moldo-Wallachia

;Dates : 1862–1865
;Capital : Bucharest
;Currency : 40 parale = 1 piastre
;Refer : Romania

Moldova

;Dates : 1991 –
;Capital : Kishinev
;Currency : 100 kopecks = 1 Russian ruble
;Main Article Postage stamps and postal history of Moldova
;See also : Union of Soviet Socialist Republics (USSR)

Moluccas

;Refer : Japanese Naval Control Area

Monaco

;Dates : 1885 –
;Capital : Monte Carlo
;Currency : 100 centimes = 1 franc
;Main Article Needed :

Mongolia

;Dates : 1924 –
;Capital : Ulan Bator
;Currency : 100 cents = 1 Mongolian dollar
;Main Article Needed :

Mong-Tseu (Indochinese Post Office)

;Dates : 1903–1922
;Currency : 100 centimes = 1 franc
;Refer : China (Indochinese Post Offices)

Mongtze

;Refer : Mong-Tseu (Indochinese Post Offices)

Mont-Athos

;Refer : Mount Athos (Russian Post Office)

Montenegro

;Dates : 1874–1918; 2006 –
;Capital : Podgorica
;Currency : 100 novcic = 1 florin
;Main Article Needed :
;Includes : Montenegro (Yugoslav Regional Issues)
;See also : Yugoslavia

Montenegro (Austrian Occupation)

;Dates : 1917 only
;Currency : 100 heller = 1 krone
;Refer : Austro–Hungarian Military Post

Montenegro (German Occupation)

;Dates : 1943–1945
;Currency : 100 centesimi = 1 lira
;Refer : German Occupation Issues (WW2)

Montenegro (Italian Occupation)

;Dates : 1941–1943
;Currency : 100 paras = 1 dinar
;Refer : Italian Occupation Issues

Montenegro (Yugoslav Regional Issues)

;Dates : 1945 only
;Capital : Titograd
;Currency : 100 centesimi = 1 lira
;Refer : Montenegro

Montserrat

;Dates : 1876 –
;Capital : Plymouth
;Currency : 12 pence = 1 shilling; 20 shillings = 1 pound
;Main Article Needed :

Morocco

;Dates : 1956 –
;Capital : Rabat
;Currency : 100 centimos = 1 peseta
;Includes : Northern Zone, Morocco;

Morocco Agencies

;Dates : 1898–1957
;Currency : British, French and Spanish all used
;Main Article Needed :
;See also : Tangier

Morocco (British Post Offices)

;Refer : Morocco Agencies

Morocco (French Post Offices)

;Dates : 1862–1914
;Currency : 100 centimos = 1 peseta
;Refer : French Post Offices Abroad

Morocco (German Post Offices)

;Dates : 1899–1917
;Currency : 100 centimos = 1 peseta
;Refer : German Post Offices Abroad

Morocco (Spanish Post Offices)

;Dates : 1903–1914
;Currency : 100 centimos = 1 peseta
;Refer : Spanish Post Offices Abroad

Morvi

;Dates : 1931–1948
;Currency : 12 pies = 1 anna; 16 annas = 1 rupee
;Refer : Indian Native States

Mosul (Indian Forces)

;Dates : 1919 only
;Currency : 12 pies = 1 anna; 16 annas = 1 rupee
;Refer : Indian Overseas Forces

Mount Athos (Russian Post Office)

;Dates : 1909–1914
;Currency : 40 paras = 1 piastre
;Refer : Russian Post Offices in the Turkish Empire

Moyen Congo

;Refer : Middle Congo

Mozambique

;Dates : 1876 –
;Capital : Maputo
;Currency : 1000 reis = 1 milreis
;Main Article Needed :
;See also : Africa (Portuguese Colonies)

Mozambique Company

;Dates : 1892–1942
;Currency : 1000 reis = 1 milreis
;Main Article Needed :

Mozambique Territories

;Main Article Needed :
;Includes : Inhambane;

Muscat

;Dates : 1944–1948
;Capital : Muscat
;Currency : 12 pies = 1 anna, 16 annas = 1 rupee
;Refer : Muscat & Oman
;See also : British Postal Agencies in Eastern Arabia;

Muscat & Oman

;Dates : 1966–1970
;Capital : Muscat
;Currency : 64 baizas = 1 rupee;
;Main Article Needed :
;Includes : Muscat
;See also : British Postal Agencies in Eastern Arabia;

Mustique

;Refer : Grenadines of St Vincent

Mutawakelite Kingdom

;Refer : Yemen (Mutawakelite Kingdom)

Myanmar

;Refer : Burma

Mytilene (Russian Post Office)

;Dates : 1909–1914
;Currency : 40 paras = 1 piastre
;Refer : Russian Post Offices in the Turkish Empire