1856/1857 DIE 2 PL.47 USED MATCHED PAIR LETTERED BI ON BLUED PAPER WITH MISSING PERF HOLES (SG29) AND WHITE PAPER (SG40). Fine used 1856 die 2 1d pl.47 red-brown on lightly blued paper (SG29) lettered BI showing MISSING PERF HOLES AT UPPER LEFT matched with fine used rose-red on white paper printing. (Ref 102486).