Stamp Catalogues:
SG Stanley Gibbons Catalogue.
ASC Australian Stamp Catalogue No. (Seven Seas Stamps).
ASCS Brusden White Australian Commonwealth Specialist Catalogue.
Mi Michel (German) Catalogue.
BF Barefoot (Revenue) Catalogue.
“a” numbers . . . . Recognised variations in perf or colour, etc from original printing
Gum Conditions:
MUH Mint Unhinged
MNH Mint Never Hinged….The latter is US terminology
MLH Mint Lightly Hinged
MH Hinge remainder is more prominant
Quality:
Mint Is always hinged. “Mint ”only designates that there is gum on the stamp
Unused. A stamp with no cancellation, looks mint but has no gum
FU Fine Used
Used More prominent cancel
CTO Cancelled to Order
WMK Watermarked
No WMK. The stamp issued without a WMK
O/P Overprinted
IMP Imperforated
Perf Perforated
