4 Forint / 10 Francs gold coin struck under Franz Joseph in 1870 at Gyulafehérvár (Karlsburg). Mintage: 48,672 pieces.
The mint marks GYF correspond to the city of Gyulafehérvár. This is the Hungarian name for the city. However, depending on the language and the historical period, this city is known by three different names:
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Karlsburg: The German name, used officially by the Austrian administration.
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Gyulafehérvár: The Hungarian name (hence the “GYF” on the coin).
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Alba Iulia: The Romanian name; the city is located today in Transylvania (Romania).
