This is an 1840 Penny Black Great Britain Stamp on piece of cover.  It's a better EARLY USE with a clear and red postmark date of June 15, 1840 from Monmouth, United Kingdom.  It has all 4 borders showing and a red Maltese Cross cancellation.  Very nice early use Penny Black on a June 15, 1840 piece of cover.  If you have any questions, contact me. Full return privileges. Fast 1 day shipping. Low opening bid.