| 000 | 00461nam a22000977a 4500 | ||
|---|---|---|---|
| 008 | 170814b xxu||||| |||| 00| 0 eng d | ||
| 100 | _aDatz | ||
| 245 | _aUS Errors: Inverts, Imperforates, Color Omitted (4th ed 1992) | ||
| 260 |
_bLoveland, CO _cGeneral Philatlic Corporation _d1991 |
||
| 650 | _aUnited States | Errors and Varieties -- Color | Errors and Varieties -- Printing | Errors and Varieties -- Perforation | Plate Number Coils | EFOs | Catalogs and Price Lists | ||
| 999 |
_c2470 _d2470 |
||