Trinidad and Tobago Proof Set 1980 Franklin Mint PROOF set issued for the Republic of Trinidad and Tobago in 1980. The set comprises the complete denomination range struck in proof quality, combining base-metal circulation issues with higher silver denominations. Contents: - Trinidad and Tobago PROOF 1980 – One Cent Composition: Bronze Weight: 1.9500 g Diameter: 17.76 mm - Trinidad and Tobago PROOF 1980 – Five Cents Composition: Bronze Weight: 3.3100 g Diameter: 21.20 mm - Trinidad and Tobago PROOF 1980 – Ten Cents Composition: Copper-Nickel Weight: 1.4000 g Diameter: 16.20 mm - Trinidad and Tobago PROOF 1980 – Twenty-Five Cents Composition: Copper-Nickel Weight: 3.5000 g Diameter: 20.00 mm - Trinidad and Tobago PROOF 1980 – One Dollar Composition: Copper-Nickel Weight: 18.30 g Diameter: 36.00 mm - Trinidad and Tobago PROOF 1980 – Five Dollars Composition: Silver Fineness: 0.925 Weight: 29.81 g Diameter: 40.00 mm - Trinidad and Tobago PROOF 1980 – Ten Dollars Composition: Silver Fineness: 0.925 Weight: 35.00 g Diameter: 42.00 mm