There were no British commemorative One or Two Pound coins issued in 1993.
The coin you possibly refer to is the Five Pound coin commemorating the 40th Anniversary of the Coronation of Queen Elizabeth II (in 1953).
British Commemorative coins have been issued for over 100 years.
Can you narrow down the possibilities a lot with a denomination and a year?
The value of any coin would depend on the coin, the country of origin, the year, the condition of the coin and the variant of the coin. Please supply specific details of your coin for a detailed answer.
Try eBay or a reputable coin dealer. They do not have all that much value , so do not go to too much trouble. British 1965 Crown - Churchill commemorative.
The value of a 1990 Eisenhower gold commemorative coin depends on the condition of the coin. On average the coin would be worth approximately $26.
The value of your coin is probably around (500,000 USD.)
Any coin with two dates on it, 200 years apart, is a commemorative. The British 2 Pence coin has never been used as a commemorative, but the 2 Pound coin has. The British 2004 Two Pound coin commemorates the 200th Anniversay of invention of Trevithick's locomotive.
Which one? Post new question.
20.00
August 18, 2009 The Jamestown 400th Anniversary Commemorative Coin was issued in silve and in gold. In silver the uncirculated value is about $35. In gold the uncirculated value is about $230.
90.00
About $60
The current value of the coin is approximately R60-R90. +- USD 10.00
== == Value............About $25 USD.