Up for sale is a CHESS – “ROOK” 1 oz. 999 fine silver Proof coin in original presentation case with Certificate of Authenticity. Beautiful proof finish and a great collectible for chess fans and silver collectors. Coin / Set Details. Theme: Chess – The Rook. Country / Issuer: Niue. Weight: 1 Troy Ounce (1 oz). Diameter: 38.6 mm. Limited Mintage: 999 total. Includes: Coin in capsule, presentation box, COA (all shown in photos). Condition: Coin appears in excellent condition inside capsule. Chess rook coin, niue chess rook, 2026 niue coin, 1 oz silver proof. 999 fine silver coin, chess themed silver, limited mintage 999, collectible silver coin, niue 1 dollar coin, rook chess piece, proof silver round, presentation box coa, low mintage silver, gift for chess player, numismatic silver coin, modern silver proof coin, chess series coin, 38.6mm silver coin, edition numbered coa, 1oz. 999 silver proof coin.