MUH Mint Unhinged
MNH Mint Never Hinged….The latter is US terminology
MLH Mint Lightly
MH Hinge remainder is more prominant
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
“a” numbers…..Recognised variations in perf or colour, etc from original printing
