Proof A sheet complete but for two impressions ([1] and [4]) in dull blue on white wove paper, nine of the impressions cancelled by black "No 712" and then variously treated with Prussic Acid, Potash, Tartaric Acid, Turpentine and Creosote in attempts at removal, showing manuscript "E5" and "No. 3 plain" in J.B. Bacon's handwriting. S.G. Spec. DP20F State 3b. Photo in colour