most value postage stamp worth
1840 The Penny Black. The Penny Black is historyâs first pre-paid postage stamp, and was issued by the United Kingdom of Great Britain and Ireland. This stamp, though not exceptionally rare, is worth between $240 and $3000 depending on its condition. However, a specimen of this stamp with a red Maltese cross cancellation sold at auction for more than $2.4 million.