1c Blue, Ty. Ia (6). Position 100R4, huge margins all around incl. bottom right corner sheet margin, deep rich Plate 4 color, neat strike of circular datestamp leaves the design characteristics clearly visible

EXTREMELY FINE. A REMARKABLE CORNER SHEET-MARGIN EXAMPLE OF THE 1851 IMPERFORATE ONE-CENT TYPE IA, ONE OF THE RARITIES FURNISHED BY PLATE FOUR.

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 1992 and 2006 P.F. certificates (XF 90; SMQ $30,400.00). This remarkable stamp realized $10,000 more than 16 years ago in our 1992 Rarities sale.

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