Catalogue Click for Auction info Coins, Medals & Banknotes (#143MG) Closed Auction Info Lot 11BULLION:Â Platinum, Panama 1976 150 Balboa Proof, KM #43, cased in box (0.999 9.30g). Click image to enlarge PreviousNextSimilar Items Lot closed - Price Realized:$320 () Estimate: $200 Request Condition Report Coins, Medals & Banknotes (#143MG) Closed Auction Info Description Description: - Platinum, Panama 1976 150 Balboa Proof, KM #43, cased in box (0.999 9.30g). Symbol : B/P Categories: Coins & Banknotes > General & Miscellaneous Lots Terms and conditions Please note: This auction was held by Mossgreen and is shown on the Leski Auctions website for reference only.