Auction 250 - 256 Day 2

1923 (Nov 1): Child Welfare, the set of three values in unused blocks of four, being the Bradbury Wilkinson file copies, with two blocks applied to card, each stamp overprinted SPECIMEN diagonally in red, all with matching Bradbury Wilkinson imprints in sheet margin at base, slight perf. separation on 2½ d. + ½ d. value otherwise fresh and very fine Gi = £ 560+.rnProvenance: Bradbury Wilkinson Archives, Christie's, London, 21 April 1993, ex lot 89.