1976, Guyana (British East Africa). Beautiful Gold 100 Dollars Coin. 5.76gm! Mint year: 1976 Condition: Proof! References: KM-46. Denomination: 100 Dollars – 10th Anniversary of Independence Composition: Gold (.500) Diameter: 25mm Weight: 5.76gm The Commonwealth realm of Guyana, officially known as “Guyana”, was a predecessor to the modern-day Guyana and an independent state ...