1856 DIE 2 1D PL.40 IMPERFORATE IMPRIMATUR LETTERED AE, VERY DEEP RED-BROWN. A superb imperforate top marginal imprimatur from 1856 Die 2 1 d pl.40 in a lovely VERY DEEP RED-BROWN SHADE on blued paper with four fine margins and large part top sheet margin with marginal inscription. Watermark large crown. Imprimatur shows very fine blur left margin. (Ref 142431).