A mint stamp with original gum that has not been mounted or hinged.
The Stanley Gibbons catalogue reference used to identify and catalogue stamps.
The catalogue value quoted from Stanley Gibbons. It is not the same as the UPA auction estimate or a guaranteed selling price.
A printing plate, or an identifying plate number or characteristic, associated with the production of a stamp.
A joined group of stamps, normally arranged in at least two rows and two columns.