Some additional gold coins that are 18mm:
Denmark 10 Kroner (1873-1917)
GOLD (.900) -- 4.48 g. -- 18.0 mm KM# 809 (0.1296 oz. AGW)
GERMANY (BAYERN) 10 MARK (1888 to 1913)
GOLD (.900) -- 3.982 g -- 18 mm (19.5mm?) KM# 911 (0.1153 OZ AGW)
1905 HUNGARY 10 KORONA
GOLD (.900) -- 3.3875 g -- 18.9 mm KM# 485 (0.0980 OZ AGW)
1868 PHILIPPINES 1 PESO
GOLD (0.875) -- 1.6915 g -- 18 mm KM# 142 (0.0476 OZ AGW)
1834 Russia-Poland 3 Rouble/20 Zlotych ("rare")
GOLD (0.917) -- 3.89 g. -- 18 mm KM# C# 136.2 (0.1147 oz. AGW)
RUSSIAN EMPIRE 5 ROUBLE / RUBLE (1895 - 1911)
GOLD (.900) -- 4.3013 g -- 18 mm KM# ? (0.1245 oz AGW)
Venezuela 10 Bolivares (1930 only)
GOLD (.900) -- 3.2258 g -- 18.85 mm KM# Y-31 (0.09334 oz AGW)
Denmark 10 Kroner (1873-1917)
GOLD (.900) -- 4.48 g. -- 18.0 mm KM# 809 (0.1296 oz. AGW)
GERMANY (BAYERN) 10 MARK (1888 to 1913)
GOLD (.900) -- 3.982 g -- 18 mm (19.5mm?) KM# 911 (0.1153 OZ AGW)
1905 HUNGARY 10 KORONA
GOLD (.900) -- 3.3875 g -- 18.9 mm KM# 485 (0.0980 OZ AGW)
1868 PHILIPPINES 1 PESO
GOLD (0.875) -- 1.6915 g -- 18 mm KM# 142 (0.0476 OZ AGW)
1834 Russia-Poland 3 Rouble/20 Zlotych ("rare")
GOLD (0.917) -- 3.89 g. -- 18 mm KM# C# 136.2 (0.1147 oz. AGW)
RUSSIAN EMPIRE 5 ROUBLE / RUBLE (1895 - 1911)
GOLD (.900) -- 4.3013 g -- 18 mm KM# ? (0.1245 oz AGW)
Venezuela 10 Bolivares (1930 only)
GOLD (.900) -- 3.2258 g -- 18.85 mm KM# Y-31 (0.09334 oz AGW)



















