Corinphila Auction 284-290 Day 2

Experimental Separation Trials 1850: 1 d. red-brown on blued paper, pl. 96, Die I, Alphabet I, lettered JE-JF / KE-KF, Trial perforation 16 by Henry Archer, an unused block of four of superb vibrantly fresh colour, excellent perforations all round, large part somewhat dried og. A magnificent and extremely rare block Gi CE2 = 15`000.rnProvenance: Collection Earl of Crawford as a block HA-HL / QA-QL less HG-HL and LA / MA; Charles Nissen. Split by him as a block of twelve (HA-HF / IA-IF) appeared in a "Baronet`s Collection" (Baron de Worms); Most of the sheet is now housed in the National Postal Museum in London; Harmers, London, 24 Feb 2003, lot 727.