Belgian Franc coin: 1904 - 1989
Upper left 1904 silver coin (23 mm, 5 g, 0.900 silver 1833-1850 and 0.835 silver 1866-1914)
Upper Middle 1923 nickle (23 mm, 5 g, pure nickle 1922-1935)
Upper right 1939 nickle (21.5 mm, 4.5 g, pure nickle 1939-1940)
Lower left 1946 zinc (21.5 mm, 4.2 g, zinc, 1941-1947)
Lower middel 1975 copper-nickle (21 mm, 4g, 1950-1988)
Lower right 1989 steel(18 mm, 2.75 g, 1989-2001)

The 1923 pure nickle franc has the inscription "Goed voor" = "Good for", claiming in vain that 'temporary base metal coinage' may be reverted to silver again. French "Chambre de commerce" brass coinage of that period has the same inscription "Bon pour".
The obverse sides:

Upper left 1904 silver coin (23 mm, 5 g, 0.900 silver 1833-1850 and 0.835 silver 1866-1914)
Upper Middle 1923 nickle (23 mm, 5 g, pure nickle 1922-1935)
Upper right 1939 nickle (21.5 mm, 4.5 g, pure nickle 1939-1940)
Lower left 1946 zinc (21.5 mm, 4.2 g, zinc, 1941-1947)
Lower middel 1975 copper-nickle (21 mm, 4g, 1950-1988)
Lower right 1989 steel(18 mm, 2.75 g, 1989-2001)

The 1923 pure nickle franc has the inscription "Goed voor" = "Good for", claiming in vain that 'temporary base metal coinage' may be reverted to silver again. French "Chambre de commerce" brass coinage of that period has the same inscription "Bon pour".
The obverse sides:

























