1861 1d, 4d, 6d and 1s, set of four sheetlets of 12, plate proofs in black reprinted by the Royal Philatelic Society in 1931, the 4d from defaced plate, accompanied by the original envelope (no.32 of only 50 produced), very fine, ex "Tatiana" (Image)

1861 Imperf. colour trials group incl. blocks of four on carton paper of the 1d in green, 4d in slate-blue and 6d in orange, and singles of the 1d in dark red, 4d in dark blue, 6d in deep lilac and 1s in dark green in lower marginal singles on unwatermarked paper, very fine (Image)