1911 ½D DOWNEY DIE 1B WATERMARK CROWN INVERTED (SG324Wi) WITH CONSTANT VARIETY 'TADPOLE FLAW'. A good block of four 1911 ½d Downey die 1B watermark crown inverted (SG324Wi), stamp 1/1 showing the excellent unrecorded but constant variety 'TADPOLE FLAW TO RIGHT OF ½'. Ex booklet pane with fine perforations. Stamp lower left corner bend. Very fine item with this variety also recorded on the simple cypher watermark printings. (Ref 122357).