General Stamp Evaluations

Condition:
MNH – Mint never hinged
MH – Mint hinged
MNG – Mint without gum
US – Used/CTO
SS – Souvenir Sheet
SH – Sheet
MS – Mini Sheet
FDC – First Day Cover
COV – Cover
PC – Postcard
BKL – Booklet
AG – Aerogramme
POS – Postal Card
MK – Maximum Card

Quality:
Quality 100%: Perfect high quality, without any defect.
Quality 80%: Nice/very nice, without any defect.
Quality 60%: Stamp without any defect, but with usual conditions for the age.
Quality 40%: Stamp with one or more small defects.
Quality 20%: Stamp with one or more heavier defects.