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

1 d. intense black, plate 4, block of four, lettered CI-DJ, large even margins all around, each stamp cancelled with neatly-struck Maltese Cross in red, burr rubbing between CI and CJ, incorrectly noted as soiling on certificate, an exceptional block of tremendous beauty and rarity. Cert RPSL (2011) Gi. AS23 = £ 18'000.

Provenance: Harmers, London, 5 July 1971, lot 45.