Mint, NH = Mint stamp with original gum, Never Hinged or un-mounted. بدون شارنیه

Mint = Mint stamp with original gum with varying degrees of gum disturbance due to the mounting or hinging.

Unused = Mint stamps which have no original gum or they were issued without any gum.

Used = Refers to stamps postally used.

CTO = Stamps with or without original gum, which were cancelled by favor knowing as Cancelled To Order.

On cover = Complete covers or postcards.

On Doc. = Complete postal documents such as Parcel Post Receipts or Waybills which are called Bar'name