'Simon Sam' issue set of twelve and the 1899 colour change set of three, each stamp overprinted 'SPECIMEN' with small hole punch including 3 x 1c yellow green, 3 x 2c carmine, 3 x 3c green, 3 x 4c red, 3 x 5c sky blue, 3 x 7c grey and 3 x 8c carmine showing the different printings of each stamp with a different type of 'SPECIMEN' overprint, twenty nine stamps in total. Very fine. Ex ABNCo. Archive. (SG 51/69)