GB 1840 “Penny Black” Fine used - $A325: "The World's First Stamp" Even 2 or 3 margin, common plate number real roughies these days, can cost $100s, as many 1000's are sold to China each year by Gibbons and others, in a large consumer marketing drive, and prices are up. On sale for only 9 months, and then the 1d red Imperf took over in vast numbers. This one is Lettered "E.G." with a super lightly struck, Vermilion Red Maltese Cross cancel,
https://stampboards.com/viewtopic.php?t=97479
