1977 Canadian Silver Dollar Silver Jubilee (Throne of the Senate) Commemorative Uncirculated Condition 50% Silver - .375 troy oz pure. Available as standalone, encapsulated or cased in original Royal Canadian Mint clamshell case. Although these coins were not issued as circulating currency (therefore "uncirculated"), there may be some toning or other natural age discoloration. This can easily be removed if desired by using a mild acid bath. Please advise whether you wish this done for you at no charge - the coin will then appear Brilliant Uncirculated.