Lot 50112 – 1841 2d blue pl. 3 AG/KL mint marginal inscriptional block of 30 with “SPECIMEN” overprints

1841 2d blue pl.3 AG/KL mint marginal inscriptional block of 30 from the upper left of the sheet with full deckle edge on two sides showing part inscription “ards the RIGHT HAND SIDE of The Letter. In Wetting the Back be careful not to remove the Cement” and additionally showing the plate number “3”, each stamp overprinted “SPECIMEN” large part original gum; some wrinkling or faults though a magnificent block, and a major exhibition rarity.