Lot# 2697 - Auction 274-283

First London printing from Perkins Bacon Plates 1853 (July 1): 10 c. deep bright blue on yellowish paper, wmk. 1, a used horizontal pair from a 'squeezed plate', marginal from left of sheet with large even margins all round, lightly cancelled in black. The left hand stamp with width (10 mm.) and the right stamp (11 mm.). Exceptional and extremely scarce. Cert. BPA (1992) Gi 2 = £ 200/Scott = $ 350+.rnrnProvenance: Collection Gerhard Blank, Christie's, Zurich, 5 Dec 1991, lot 936.