Glossary of terms

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