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

1903: De La Rue Colour Trial Imperforate with 1 d. Duty Plate, printed in proposed colours of the issued 2½ d. value in dull purple & blue on blue, fresh and very fine. Removed from the De La Rue Appendix sheet, illustrated in "The De La Rue Collection" edited by Frank Walton RDP on page 4518. Rare.
Provenance: Collection Colonel J.R. Danson, RL, London, 10 March 1971, ex lot 1551.