unused 1863, 1p Brown Red (12, Gibbons 18b), square pair, large to huge margins all around, unused, tiny thin in margin only, otherwise very fine, Scott retail $300.00, Gibbons £700est.

Details
unused 1863, 1p Brown Red (12, Gibbons 18b), square pair, large to huge margins all around, unused, tiny thin in margin only, otherwise very fine, Scott retail $300.00, Gibbons £700est.