R.P.O. and ASSORTED MOBILE POST OFFICE CANCELS COLLECTION. approximately 200 covers and postcards mostly of the late 1800s/ early 1900s (some to 1950s) in a couple of binders, includes nice sections of various St Louis cancels (33), San Francisco (1 plus some early 1900s ppc), Seattle (2), Washington DC (2), Rochester NY (5), Los Angeles (2), Baltimore area (50), Boston (6), Brooklyn (20), Chicago (30), Cincinnati/ Cleveland (5), NY City (10), Philadelphia (14), Pittsburgh (12), "Collect'n & Dist'n Wagon" cancels for Buffalo, Washington DC (2), NY City, usual mixed condition with vast majority of the cancels clear and legible, a fine foundation collection