Abbreviations
ACE STAMP AUCTIONS ABBREVIATIONS
| ACSC | Australasian Commonwealth Specialist Catalogue |
| BPA | British Philatelic Assoc. Expertising Ltd. Certificate |
| B/S | Back stamped |
| BW | Brusden White Australian Specialists Catalogue (A$) |
| Cat. | Catalogue |
| CDS | Circular Date Stamp |
| CTO | Cancelled to Order |
| Cert. | Certificate of Genuineness |
| Cond. | Condition |
| CV | Catalogue Value |
| ENG | Engraved |
| Env | Envelope/Cover |
| FDC | First Day Cover |
| FDI | First Day of Issue |
| F/U | Fine Used |
| FV | Face Value ($) |
| GU | Good Used (i.e. less than fine) |
| H/S | Hand stamp |
| IMP | Imprint (or inscription) |
| Incl | Including |
| Inv | Inverted |
| LC | Letter card |
| M/S | Miniature or souvenir sheet |
| MNG | Mint No Gum |
| MUH | Mint Unhinged |
| MLH | Mint Lightly Hinged |
| MVLH | Mint Very Lightly Hinged |
| OG | Original Gum |
| Ovpt | Overprinted |
| P&C | Pfeffer & Crum Booklet Catalogue |
| Pmk | Postmark |
| PMI | Postal Markings Illustrated Catalogue (WASG) |
| PPC | Picture Postcard |
| PSE | Pre-stamped Envelope |
| Regd | Registered |
| RPSV | Royal Philatelic Society of Victoria |
| S/A | Self Adhesive (also known as Peel & Stick) |
| SG | Stanley Gibbons Catalogue (£) |
| SS | Seven Seas - An Australian made Pictorial album |
| STC | Stated to catalogue |
| UNUSED | Mint without gum |
| U | Used |
| Var. | Variety or flaw |
| VG | Very Good |
| VF | Very Fine |
| W/C | Well centred |
| WMK | Watermark |