unmounted mint Block Larger Than four 1928 Anniversary ¾p. to £1 set of ten in upper right corner blocks of twelve (1½p. with central split perfs. and 4p. less right-hand margin), unmounted mint. S.G. 123-132, £2,700

Details
unmounted mint Block Larger Than four 1928 Anniversary ¾p. to £1 set of ten in upper right corner blocks of twelve (1½p. with central split perfs. and 4p. less right-hand margin), unmounted mint. S.G. 123-132, £2,700