China PRC Cover Stationary 1992(B) YP11 Tibet 10x 1.60Y Prepaid Cards Mint Z3441
MNH = Mint Never Hinged (ie. Unmounted Mint, UMM);. M(L)H = Mint (Lightly) Hinged (ie. (Lightly) Mounted Mint, MM). MNGAI = Mint No Gum As Issued, NH = Never Hinged, H = Hinged.