Most Canadian silver coins 10¢ 25¢ 50¢ and Dollar from 1920 to 1966 are 80% silver before 1920 these coins plus the 5¢ coin were 92.5% or sterling silver. In 1967 there were both 80% and 50% silver coins. Most 1968 coins are 100% nickel, but some 50% silver 10¢ and 25¢ coins were also produced. Several of the modern proof and commemorative coins are sterling silver even some 5¢ coins. The 2003 and 2004 and some 2006 and 2007 Silver Dollars are made of 99.99 pure or "fine" silver.
Yes they do. No British decimal general circulation coin has any silver content at all. The "silver" coins of all Commonwealth countries similarly have no silver content.
1967 for 50 cents and dollars, 1968 (at reduced silver content) for 10 and 25 cents.
Coins struck for circulation in the US today have no silver in them.
All New Zealand silver coins from 1933 to 1946 had a silver content of 50%. From 1947 onwards, all New Zealand "silver" coins were made from a copper-nickel alloy.
1920-1966 Canadian coins have the following value as of March 2 with SIlver prices at $34.69 per ounce. Dollar: $20.81, Half $10.40, Quarter $5.20 Dime: $2.08. These are all $80% silver. In 1967 and 1968 Most Canada coins went to 50% silver. After 1968, there is no silver content. This answer is from a silver perspective only. There are rare and collectible coins that have no silver.
There have been six King Georges from 1714 to 1952. 1919 and 1920 were the two years when the British silver coinage was debased from 0.9250 to 0.5000 silver. Which year the change was made depends on the denomination of the coin. Prior to 1919/1920, all British "silver" coins had a 92.5% silver content. From 1919/1920 to 1946, all British "silver" coins had a 50% silver content. From 1947 to present, all circulating British "silver" coins had a 0% silver content.
None.
None. It's pure nickel. Canada hung onto silver in its coins a bit longer than the US but stopped by mid-1968.
1837 was the year US silver coins changed to .900 silver & .100 copper, that caused a slight reduction of silver.
silver on the outside/ small gold coin inside
1930 50 centavos
Jewelers and coin dealers buy gold and silver.