Stationery.—See Entires.
Stereotype or stereo.—A reproduction of the original design, made by means of a papier-maché or other mould, in type-metal. And see Matrix.
Strip is the philatelic term for three or more stamps unsevered and in the same row, horizontal or vertical.
Surcharge.—An overprint (which see) which alters the face value of a stamp, or confirms it in the same or a new currency. The term is loosely used to mean any overprint, but it is desirable that its application be confined to inscriptions affecting the denomination of face-value.
Surface-printed, that is, printed by a process in which the parts of the plate, &c., which produce the coloured portions of the stamp are raised up. See Printing.
Taille douce.—When a design is cut into the substance of the plate it is said to be engraved in taille douce. A familiar example is a visiting-card plate.
Tête-bêche is a French expression signifying the inversion of one stamp of a pair (or more) in relation to the other stamp (or stamps): naturally, the peculiarity disappears on severance, and such varieties must necessarily be in a pair or more.
Toned, as applied to paper, implies a very slight buff tint.
Tresse.—See Rosace.