Clearly shows the "O" Flaw and position MG. The item "1840 Penny Black EXTREMELY RARE MINT PLATE 10, ORIGINAL GUM CAT £25,000+ O FLAW" is in sale since Friday, May 3, 2019. This item is in the category "Stamps\Great Britain\Victoria\Penny Blacks". The seller is "goodladm" and is located in Alford. This item can be shipped to United Kingdom.