4c Dark Brown, Imperforate (254a). Right imprint and plate no. 50 block of six, disturbed original gum, large margins all around, rich color, some slight wrinkling on center stamps

VERY FINE APPEARANCE. AN EXCEEDINGLY RARE IMPRINT AND PLATE NUMBER BLOCK OF SIX OF THE 1894 4-CENT IMPERFORATE UNWATERMARKED BUREAU ISSUE.

Full imperforate sheets of 400 of the 3c, 4c, 5c and 10c values were removed from the Bureau and became available to collectors. They were not gummed when they came from the Bureau, but were later unofficially gummed. We have previously sold a left position plate block, in our 1967 Rarities sale, and the bottom position plate block in one of our 2014 auctions.

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