1937 Brass Threepence – George VI
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The 12-sided (dodecagonal) 'thruppenny bit' was made from Nickel-Brass and weighed 6.80g (about 5 times heavier than the silver threepence) with diameter 21.74mm.
1937
1937 Brass Threepence – George VI
-
The 12-sided (dodecagonal) 'thruppenny bit' was made from Nickel-Brass and weighed 6.80g (about 5 times heavier than the silver threepence) with diameter 21.74mm.