Great Britain 1856 1d deep red brown Plate 46 imprimatur, SG29varGreat Britain 1856 1d deep red brown Plate 46 imprimatur, SG29var. Very fine unused clear to large four margin top right hand corner marginal imperforate imprimatur lettered AL, showing part sheet inscription and plate number "46". A rare positional example from the very first approved printing sheet. Provenance: Ex. Colonel Bates (1934). ALERT ME WHEN ANOTHER IS AVAILABLE > SELL ONE OF THESE >