Lot 31422 – 1906-11 Multi Crown CA chalk surfaced paper set of 9 with SPECIMEN overprints from the De La Rue archives

1906-11 Multi Crown CA chalk surfaced paper set of 9 with SPECIMEN overprints from the De La Rue archives, affixed to small pieces of card with ms dates at top, the 2d and 6d to 8s with the usual UPU type specimen overprints (D12 or D14), but the 1d and 2 1/2d with type D9a in violet and the 1/2d with type D9a in red which are unique, with the 1/2d value having ever been distributed to the UPU it is the only known example of this stamp with any specimen overprint, the 1/2d with horizontal bend and 1s with surface rubbing, a unique set

Note: Described and partly illustrated in the London Philatelist 1990 pp.99-100

Provenance: Ex De La Rue Archives, Barclays and Kayfetz