GLOSSARY
Some terms explained.
CV - Catalogue Value, usually I use Stanley Gibbons unless stated otherwise.
MH - Mint Hinged
MLH - Mint Lightly Hinged
MNH - Mint Never Hinged
FU - Fine Used
VFU - Very Fine Used
CDS - Circular Date Stamp (cancellation)
FDC - First Day Cover
QV - Queen Victoria
KEVII - King Edward 7th
KGV - King George 5th
KEVIII - King Edward 8th
KGVI - King George 6th
QEII - Queen Elizabeth 2nd
For further terminology please refer to this Wikipedia page: Philatelic terminology.