Specimen 2/6 and 5/- overprinted "SPECIMEN" (Type D12), large part original gum; the 5/- with two foxed perfs. S.G. 41-42, £450

Details
Specimen 2/6 and 5/- overprinted "SPECIMEN" (Type D12), large part original gum; the 5/- with two foxed perfs. S.G. 41-42, £450