1877 4d TELEGRAPH SAGE-GREEN PL.1 IMPERFORATE 'SPECIMEN' TYPE 9 (T5/L211t) UNUSED MARGINAL BLOCK OF SIX. Superb unused 1877 4d telegraph sage-green pl.1 imperforate lower left corner marginal block of six lettered KJ LJ KK LK KL LL, overprinted 'SPECIMEN' type 9 (T5/L211t). In left margin 'TELEGRAPHS' inscription, very fine colour and very fine o.g. (Ref 144078).
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