Great Britain King George V 1924 ½d green Specimen, SG418var.
A superb quality unused original gum block of four with the lightest hint of a hinge on one stamp only, overprinted "SPECIMEN" type 32.
An extremely rare and stunning philatelic piece and in all probability unique as a block.
GB Specialised Catalogue Number: N33ua.
SG Catalogue Value: £8,800++.
