There were no 1914-1918 George V commemorative coins issued. Since the years correspond to World War 1, you may have a medal or medallion.
Commemorative circulation coins were not issued in Queen Victoria's day. Crown coins issued from late 1887 to 1892 have what is known as the "Jubilee" bust of Queen Victoria. It is very possible that you have a commemorative medallion or some other type of souvenir of the occasion.
Of the countries issuing a Florin (Two Shilling) coin, only Australia ever issued a commemorative Florin, but there were no commemorative Florins issued in 1936.
Please check your coin. 1897 was the year of Queen Victoria's Diamond Jubilee or 60th year on the throne. Sixpences were not issued as commemorative coins. You may have a Sixpence like souvenir token or medallion.
New Zealand only issued Crown (Five Shilling) coins in 1935, 1949 and 1953. You may have a commemorative medallion or token.
The buffalo Bill commemorative rifle was issued in the year 1968.
What is the value of a space shuttle discovery $5.00 commemorative coin issued by the republic of the Marshall Islands on September 29, 1988
The Royal Mint issued no 1977 commemorative gold coins.
The were no British 1897 Commemoratives issued.
Such a coin was not issued.
There were no Australian commemorative coins issued in 1979. The only Australian decimal coin to have the Coat of Arms on it is the non-commemorative 50 cent coin.