| Abbreviation | Definitions | Abbreviations | Definitions | |
| APU | Ashton Potter (Printer) | AVR | Avery (Printer) | |
| "u" or "o" | used | OG | original gum | |
| "*" | mint | ovpt or o/p | overpint | |
| bklt | booklet | PB | plate block | |
| blk | block | perf | perforation | |
| BOB | back of book | pl# | plate number | |
| CDS | circular date stamp | pr | pair | |
| CTO | Canclled to Order | rep | repaired | |
| CV | catalog value | RG | regummed | |
| EFO | errors, freaks & oddities | roul | rouleted | |
| FDC | First Day Cover | Sc | Scott catalog | |
| FV | face value | scv | Scott catalog value | |
| H | hinged | SE or s/e | straight edge | |
| HH | heavy hinged | se-ten | se-tenant | |
| horiz | horzontal | selv | selvedge | |
| HR | hinge remnant | SG | Stanley Gibbons catalog | |
| imp or imperf | imperforate | sur or surch | surcharge | |
| LH | lightly hinged | SS or S/S | souvenir sheet | |
| LL | lower left | UL | upper left | |
| LP | line pair | unwmk | unwatermarked | |
| LR | lower right | UR | upper right | |
| MH | mint, hinged | vert | vertical | |
| MHOG | mint, hinged, original gum | wmk | watermarked | |
| Mi | Michel catalog | Y & T | Yvert & Tellier catalog | |
| MLH | mint, lightly hinged | SSP | Sennett (Printer) | |
| MNG | mint, no gum | |||
| NG | no gum | |||
| NGAI | no gum, as issued | |||
| NH | never hinged |
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