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
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
