One 20p coin, minted back in 1983, was made on a copper-coloured blank by mistake, creating a rare bronze 20p. These coins are much sought after by collectors and are far more valuable than their ...

From ancient Rome to Qing China, Auction 52 at Stephen Album Rare Coins offers 3,550 historic treasures across four days of ...

One 20p coin, minted back in 1983, was made on a copper-coloured blank my mistake, creating a rare bronze 20p. These coins are much sought after by collectors and are far more valuable than their ...