Issuers
starting with M
69 stamp-issuing authorities in our directory. Each guide covers the issuing period, the inscriptions to look for, popular series and value ranges.
- 1884–present Macau Asia · Inscribed MACAU Guide
- 1992–present Macedonia (North Macedonia) Europe Guide
- 1861–1861 Macon (Confederate States Local Post) Americas · Inscribed PAID 5 CENTS Guide
- 1889–present Madagascar Africa Guide
- 1868–present Madeira Europe · Inscribed MADEIRA Guide
- None Madison (Fictional) Guide
- 1861–1861 Madison Court House (Confederate States) Americas · Inscribed PAID Guide
- 1900–1900 Mafeking (Besieged) Africa · Inscribed MAFEKING Guide
- 1915–1915 Mafia Island Africa · Inscribed G.E.A. Guide
- 1967–1968 Mahra Middle East Guide
- 1895–1895 Majunga (Mahajanga) Africa · Inscribed MAJUNGA Guide
- 1948–2018 Malacca (Melaka) Asia · Inscribed MALACCA Guide
- 1964–present Malawi Africa Guide
- 1867–1963 Malayan States Asia Guide
- 1963–present Malaysia Asia · Inscribed MALAYSIA Guide
- 1906–2020 Maldives Asia Guide
- 1959–present Mali Africa · Inscribed RÉPUBLIQUE DU MALI Guide
- 1860–present Malta Europe · Inscribed MALTA Guide
- 1966–1972 Manama Middle East · Inscribed MANAMA Guide
- 1932–1945 Manchukuo Asia Guide
- 1899–1899 Mariana Islands Oceania Guide
- 1945–1945 Maribor Local Issue (1945) Europe · Inscribed MARIBOR Guide
- 1920–1920 Marienwerder Europe Guide
- 1861–1861 Marietta (Fictional Entity) Guide
- 1861–1861 Marion Island (French Southern and Antarctic Lands) Africa Guide
- 1919–1919 Mariupol (Local Issues) Europe Guide
- 1984–2021 Marshall Islands Oceania Guide
- 1886–1947 Martinique Americas · Inscribed MARTINIQUE Guide
- 1903–1903 Maturin (Fantasy/Cinderella Issue) Guide
- 1906–2018 Mauritania Africa Guide
- 1847–present Mauritius Africa · Inscribed MAURITIUS Guide
- 1892–2011 Mayotte Africa · Inscribed MAYOTTE Guide
- 2006–2019 Mayreau Americas Guide
- 1856–1864 Mecklenburg-Schwerin Europe · Inscribed MECKLENB. SCHWERIN Guide
- 1864–1864 Mecklenburg-Strelitz Europe · Inscribed MECKLENB. STRELITZ Guide
- 1945–1945 Meissen (Soviet Occupation Zone) Europe Guide
- 1936–1936 Melilla Africa · Inscribed MELILLA Guide
- 1920–1923 Memel (Klaipėda) Europe Guide
- 1861–1861 Memphis (Ancient Egypt) Africa · Inscribed EGYPT Guide
- 1856–present Mexico Americas Guide
- 1856–1917 Mexico Local Issues Americas Guide
- 1910–1920 Mexico Revolutionary Issues Americas · Inscribed G.C.M. Guide
- 1861–1861 Micanopy, Florida (Local Post) Americas · Inscribed PAID Guide
- 1984–2017 Micronesia (Federated States of Micronesia) Oceania · Inscribed FSM Guide
- 1907–1933 Middle Congo Africa · Inscribed MOYEN CONGO Guide
- 1846–1846 Millbury Provisional Americas · Inscribed MILLBURY Guide
- 1861–1861 Milledgeville (Confederate Provisional) Americas · Inscribed PAID Guide
- 1861–1861 Milton Americas · Inscribed MILTON Guide
- 1817–present Mississippi (U.S. State) Americas · Inscribed U.S. POSTAGE Guide
- 1861–1861 Mobile, Alabama (Confederate Postmaster Provisionals) Americas · Inscribed PAID Guide
- 1906–1907 Moheli Africa · Inscribed MOHÉLI Guide
- 1991–present Moldova Europe Guide
- 1885–present Monaco Europe Guide
- 1924–present Mongolia Asia Guide
- 1874–present Montenegro Europe Guide
- 1861–1861 Montgomery (Confederate Postmaster Provisional) Americas · Inscribed PAID Guide
- 1876–2019 Montserrat Americas Guide
- 1914–present Morocco Africa · Inscribed MAROC Guide
- 1931–1935 Morvi Asia · Inscribed MORVI Guide
- None–present Mount Athos Europe · Inscribed ΑΓΙΟΝ ΟΡΟΣ Guide
- 1876–2019 Mozambique Africa · Inscribed MOÇAMBIQUE Guide
- 1898–1941 Mozambique Company (Companhia de Moçambique) Africa · Inscribed COMPANHIA DE MOÇAMBIQUE Guide
- 1861–1861 Mt. Lebanon Middle East · Inscribed MONT LIBAN Guide
- 1919–1919 Murska Sobota Local Issue (1919) Europe Guide
- 1944–1960 Muscat Middle East · Inscribed MUSCAT Guide
- 1966–1970 Muscat and Oman Middle East Guide
- 1997–2019 Mustique Americas Guide
- 1990–present Myanmar Asia · Inscribed MYANMAR Guide
- 1912–1912 Mytilene (Lesbos) Europe · Inscribed ΜΥΤΙΛΗΝΗ Guide
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