1970 Panama One Balboa silver Proof Coin.  Silver 0.900 fine.  38.1mm. ; 26.73 grams.  Obverse: Armoured bust of Vasco Nunez de Balboa, left, wreath below.  Reverse: Panamanian coat of arms.  Struck by the U.S. Mint, San Francisco.  KM# 27.  Condition: EXTREMELY FINE.