First Issue Revenue part perforate pairs, 1862-71, an excellent and desirable collection formed by a revenue specialist comprising 22 different part perforate pairs (all are true pairs in the proper configuration), many better items are present incl. nos. R1b, R5b (horizontal pair, imperforate vertically), R9b, R19b, R24b, R25b, R37b, R40b, R42b, R48b, R55b, R59b, and R64b, some have faults (to be expected), but incl. some exceptional (or exceptional appearing) part perforate pairs which are a very difficult collecting specialty, generally a fine-very fine collection, a very useful lot, Scott retail $852.00 est.