1c Blue, Ty. Ia (6). Position 95L4, huge margins to in at lower right including part of adjoining stamps at sides and bottom sheet margin, deep rich color, neat strike of circular datestamp, faint horizontal crease at top

FINE APPEARING EXAMPLE OF THE 1851 IMPERFORATE ONE-CENT TYPE Ia, ONE OF THE RARITIES FURNISHED BY PLATE 4.

Stamps printed from Plate 4 were issued in April, May and briefly in June 1857 before perforations were introduced. The relatively small number of imperforate Plate 4 stamps issued during this period explains the rarity and desirability of any of the imperforate stamp types produced from this plate (Ia, Ic, II, III and IIIa). The extremely rare Type Ia, showing the full design at bottom, was furnished only by 18 of the 200 subjects on Plate 4 (the remaining two bottom-row positions were sub-type Ic).

With 1999 P.F. certificate

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