cover An extensive and desirable collection, partly mounted on leaves, sorted by office and includes "BASE OFFICE/B/REG", Base Office C, No.1 (5), No.2 (2), No.3 (4), No.4 with boxed registered h.s. (5), No.5 (6), No.6, No.8 (4), No.9 (2), No.11, No.13 (2), No.14 (2) and No.17 plus many others. (64)