All British Two Pound coins have a date on them somewhere.
The coin to which you possibly refer is the 1995 50th Anniversary of the end of Second World War, with a dove on the reverse. The date (1995) is on the edge.
The Royal Mint issued no gold Two Pound coins from 1938 to 1952 inclusive.
Including the 1986 to 1996 commemorative Two Pound coins, the Royal Mint advises that 377,859,047 British Two Pound coins have been minted up to and including the 2008 issue.
There were no British Two Pound coins minted from 1888 to 1892 inclusive.
The unimetallic commemorative British Two Pound coins issued from 1986-1996 are heavier and thicker than the later bimetallic Two Pound coins issued from 1997-present. Unimetallic Two Pound coins 28.4mm in diameter 15.98 grams in weight 3.1mm thick Bimetallic Two Pound coins 28.4mm in diameter 12 grams in weight 2.5mm thick
Therre were no 1821 British Double Sovereign or Two Pound coins minted.
There is a one pound coin and a two pound coin but not a three pound coin.
The One Pound coin replaced the One Pound note in the British currency in 1983. Pound coins include the One Pound and Two Pound coins, and the Five Pound coin which is issued as a commemorative but is still legal tender.
A British Two Pound coin weighs 12 grams. There are 10 x Two Pound coins in Twenty Pounds. 10 x 12 = 120. Twenty Pounds worth of Two Pound coins weighs 120 grams.
There was no 1977 British One Pound coin minted. The first general circulation One Pound coins was minted in 1983.
There were 10,191,000 60th Anniversary of the end of World War 2 British Two Pound coins minted. There were 5,140,500 400th Anniversary of the Gunpowder Plot British Two Pound coins minted.
See the link below.
British general circulation Two Pound coins are made from a nickel-brass alloy. In many years, the Royal Mint also produces a Proof in silver FDC Two Pound coin and occasionally, a Proof piedfort in silver FDC Two Pound coin. These coins are not intended for circulation since their value is much greater than Two Pounds.