1c Blue, Ty. Ia (6). Position 92R4, large margins to touching plume at lower right but with complete design characteristics present, tied by bold strike of "Middlebury Vt. May 13" circular datestamp on light yellow cover to Weybridge Vt.

VERY FINE EXAMPLE OF THE RARE IMPERFORATE ONE-CENT TYPE Ia ON A FRESH AND BEAUTIFUL COVER.

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 (Types 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 2019 P.F. certificate

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