PERAK 1957-61 (MNH) DEFINITIVES PLATE BLOCKS
1957-61 definitive series, inset with portrait of Sultan Yussuf 'Izzuddin Shah, plate blocks x 4 (15 items). Complete run, including both perf types of 50c, $2 and $5. Very difficult assembly. Some with light to moderate gum toning otherwise fine. Mint never hinged. SG150-161a; SC127-137a
