50 Cent Coin
By 1908, the Royal Canadian Mint was producing the 50 cent piece with the coin consisting of 92.5% silver and 7.5% copper. This composition would remain through 1919. By 1920, the composition would change to 80% silver and 20% copper, staying place through 1967.
From 1968 until 1979, the 50 cent piece consisted of 99% nickel. This was also the case from 1980 until 1999. From 2000 to present day, the 50 cent piece is comprised of 93.15% steel along with 4.75% copper and 2.1% nickel plating.
The diameter of the coin has stayed relatively the same going from 29.72 mm in the beginning to 27.13 mm today. The thickness was not recorded until 1968 and began at 1.93 mm and now has 1.95 mm in thickness.
To learn more about the history of the 50 cent coin, as well as their different portraits and varieties, pleaseĀ click here