unused Block Larger Than four 1929-30 1c., 2c., 3c., 9c., 15c., 18c., 20c., 21c., 31c., 50c. and 75c., each in a complete unused sheet of ten (2x5) with except the 1c. and 2c. with one showing the variety "cent.s" for "cents."; the 75c. with small fault in toop margin, otherwise fine. A rare set of sheets. Cat. #1634