1840 penny black Sg 2 plate 6. 1d black with red Maltese cross pmk. Reverse scan available on request. The item "1840 penny black Sg 2 plate 6 (A D) 1d black with red Maltese cross pmk" is in sale since Friday, April 12, 2019. This item is in the category "Stamps\Great Britain\Victoria\Penny Blacks".The seller is "mcarter3460" and is located in Shaftesbury. This item can be shipped to all countries in Europe, United States, Canada, Australia.