History of Composition
| Years | Weight | Diameter | Thickness | Composition |
|---|---|---|---|---|
| 2000–present | 6.9 g | 27.13 mm | 1.95 mm | 93.15% steel, 4.75% copper, 2.1% nickel plating |
| 1980–1999 | 8.10 g | 27.13 mm | 1.9 mm | 99.9% nickel |
| 1968–1979 | 8.10 g | 27.13 mm | 1.93 mm | 99.9% nickel |
| 1920–1967 | 11.66 g | 29.72 mm | n/a | 80% silver, 20% copper |
| 1908–1919 | 11.62 g | 29.72 mm | n/a | 92.5% silver, 7.5% copper |
Read more about this topic: 50-cent Piece (Canadian Coin)
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