000 00451nam a22000977a 4500
008 170710b xxu||||| |||| 00| 0 eng d
100 _aThomas, William
245 _aHistory and evolution of metered postage
260 _aState College, Pa.
_bAmerican Philatelic Society, Research and Literature Committee
_c1962
650 _aUnited States | Metered Mail | Postal History | Post Office Equipment | Affixing Machines | Permit and Penalty Mail | Vending Machines
999 _c2448
_d2448