BAHAMAS. 10 Dollars 1978, Sir Milo B. Butler, silver, Pattern without rim border, Proof (standard coin also included!)
A pattern, probably struck without the rim border by Valcambi SA (Balerna, Switzerland) for the later coin issued by the Franklin mint. The winner will also provided the standard issue (depicted) for free! Size: (Pattern / standard issue): 47mm / 49.5mm, Weight: 41.6g / 45.5g