'Pictorial' DEFINITIVE issue set of thirteen each stamp overprinted 'SPECIMEN' with small hole punch including 3 x 1c yellow green, and two of all of the other values (except the 3c yellow orange) showing the different printings of each stamp with a different type of 'SPECIMEN' overprint, twenty six stamps in total. Very fine. Ex ABNCo. Archive. (SG 137/149)