| 000 | 00330nam a22000977a 4500 | ||
|---|---|---|---|
| 008 | 170925b xxu||||| |||| 00| 0 eng d | ||
| 100 | _aMorris, Reg | ||
| 245 | _aA century of cancelling machine usage by the US Post Office, 1900-2000 | ||
| 260 |
_aWarren, Ohio _bMachine Cancel Society _c2002 |
||
| 650 | _aPostal Markings | Machine Cancels | ||
| 999 |
_c2487 _d2487 |
||