1855 DIE 2 1D PL.15 UPPER RIGHT CORNER MARGINAL IMPRIMATUR LETTERED AL WITH PLATE NUMBER AND MARGINAL INSCRIPTION. A superb upper right corner marginal imperforate imprimatur 1855 Die 2 1d pl.15 lettered AL, very fine margins in red-brown on slightly blued paper, watermark small crown, with plate number '15' and marginal inscription. (Ref 143037).
