Malaya-Straits 1921-33 Script wmk $25 purple blue/blue. lower marginal with PL2 SG240bMalaya Straits 1921 33 Script wmk $25 purple blue blue. lower marginal with PL2 SG240b (and co extensive jubilee lines), from post 1926 printings in sheet of 50 (10x5), brilliant o. g. A rare proving example, with KGV head plate '2' (having plate slugs in top and bottom margins) used ONLY for the straits Settlements $25, whereas head plate "1" (12x5, Plate slugs in side margins) remained in use until 1937 for all the other colonies using this design.