This 1991 Irish Flax Silver Proof £1 One Pound Coin is a great addition to any collection. The coin comes in its original box and includes a COA from the Royal Mint. The denomination of the coin is One Pound and it was manufactured in the United Kingdom, specifically Great Britain. The year of issue was 1991 and the fineness is 0.925. This coin is from the Decimal Coinage (c.1971-Now) period and falls under the category of British coins. It is made of silver and features a beautiful design of the Irish Flax.