A very rare experimental 25 pence British coin from 1981 that looks at first glance like an ordinary 20 pence example has sold at auction for some 6,800 times its face value. Estimated at £500 to £700 ...
A rare 2p coin minted in 1983, featuring a unique error, could be worth up to £1,000 to collectors. Despite being legal tender, the value of this specific coin lies in its misprint, a detail that has ...