PAKISTAN BAHAWALPUR 1949 UPU set of 4 to 2½a Officials, SGO28/31varPakistan Bahawalpur 1949 Anniversary of the Universal Postal Union set of 4 Officials to 2a, in complete IMPERFORATE sheets of 50 (5x10), each with imprint and '1B 1B' (1a) or '1A 1A' plate numbers, SGO28 31var. A very fine unmounted mint complete set of entire sheets with full original gum. Quite remarkable preservation. A most attractive philatelic assembly and very rare in this form, particularly in such pristine condition. Stanley Gibbons