Great Britain 1938 4d blue Postage Due imprimaturs, SGD43var

Great Britain 1938 4d blue Postage Due imprimaturs, SGD43varGreat Britain 1938 4d Blue Postage Due, SGD43var Imperforate Imprimatur Pair A superb unused unmounted mint with full original gum horizontal pair of the 1938 4d Blue Postage Due issue, as a rare imperforate imprimatur. These stamps originate from the National Postal Museum Archive and bear the "NPM IMPRIMATUR" handstamps on the reverse marking their official status and exceptional provenance. Extremely rare in this format. Provenance: Ex. National

Henri Matisse

Signed beautifully by Monroe in blue ballpoint ink

The Penny Black was the world’s first adhesive postage stamp and marked the beginning of a communications revolution that changed the world

A rare and superb quality example from the first approved printing sheet

and do not detract from overall splendid quality

It was reissued the following year as a 4c stamp in grey

due to its strong looks

with commercial usage unknown

a signed copy of this rare book is a significant find

with fresh colours

1925 £100 red and black

Odd short perforations do not detract from an attractive pair