1840 Penny Black Pl.8. Superb unused with original gum, four margin block of four lettered BE-CF. Mint blocks from this plate are of the utmost rarity, a magnificent exhibition piece. ‍Collectors who secure an 1840 Penny Black BE-CF mint block - Secret Rare digital collectible ON THE DROP from the VeVe store will receive one of only 150 original, 1840 Penny Black physical stamps displayed in a VeVe-exclusive case.