PAKISTAN BAHAWALPUR 1949 UPU set of 4 to 2½a, SG43/6varPakistan Bahawalpur 1949 Anniversary of Universal Postal Union set of 4 to 2a in MATCHING IMPERFORATE UPPER HALF SHEETS of 25, SG43 6var. A very fine unmounted mint set of stamp sheets with full original gum. Most attractive and rare to see sheets of this nature in such pristine condition. The stamp issue features the Universal Postal Union monument in Bern, Switzerland. The Stanley Gibbons catalogue value is 528+ as twelve sets of pairs. Bahawalpur,