000 00418nam a22000977a 4500
008 171106b xxu||||| |||| 00| 0 eng d
100 _aBillings, Bart
245 _aA handbook : U S postal markings impressed by machines
260 _aTampa, FL
_bMachine Cancel Society
_c1992
650 _aUnited States -- Machine Cancels | United States | Postal Markings | 19th Century | 20th Century | Post Office Equipment | Postal History
999 _c2540
_d2540