Auction 333-341 Western Australia & Great Britain - Day 3

1855: 2 d. blue on blued paper, Die I, Alphabet II, wmk. Small Crown, plate 5, lettered AE, an sheet marginal Imprimatur with part imprint at top "Labels ABOVE the", good margins all round, trace of oxydisation. Just 21 examples were removed from the Imprimatur sheet. Rare Certificate RPSL (1981) Gi F3 Imprimatur = £ 12'000.
Provenance: Harmers 27/28. Feb. 1967, lot 146; Collection Stothert, Robson Lowe, 29. Jan. 1975, lot 1178; Collection Dr. & Mme Serval of Belgium; Harmers, 15/16 Mar. 1976, lot 42; Phillips, 2. Sept. 1982, lot 109; Collection 'Great Britain The Line Engraved Issus 1840–1870', The Åke Rietz Collection, Corinphila 7 June 2023.