34 selected
- Not filled in
- M (Madrid)
- M (Manilla)
- M (Medallic Art Company, Nevada)
- M (Melbourne)
- M (Mexico City)
- M (Milan)
- M (Monaco)
- M (Moscow)
- M (Mumbai)
- M (onbekend)
- M (Saint Palais)
- M (Talinn)
- M (Toulouse)
- M in ovaal (South African Mint Co. Pretoria)
- M with crown (Real Casa de la Moneda / Fábrica National de Moneda y Timbre Madrid)
- MA (Marseille)
- MAMO (Cannes)
- Manastir (Manastir, Bitola)
- Maple Leaf (Royal Canadian Mint)
- Marrakesh (Marokko)
- Mashhad
- Mast (Utrecht)
- Mayyafariqin (Turkey)
- MD (Madrid)
- MD (Moskou - Kadashevsky)
- MEDELLIN (Casa de Moneda de Colombia, Medellin, Colombia)
- Min (Fujian provincie)
- MK in circle (Mincovna Kremnica, Slovakia)
- MM (Moskou)
- MMA (Maldives Monetary Authority)
- MMD (Moskow)
- Mo (Mexico city)
- MW (Warschau)
- Mx (Mexico City)