Retouch

Retouch - minor handwork made to a cliché, plate, or die to repair accidental damage or wear.
Revenues - stamps representing the prepayment or payment of various taxes. Revenues are affixed to official documents and to merchandise.

Retouch Minor correction effected by hand-engraving on the plate or cylinder.
RETURN TO HOMEPAGE ...

Retouch - a repair of a damaged die or plate made in such a way that a minor variation results.
Return Receipt - service for fee (though once provided at no fee) that provides the sender with evidence of delivery.

Retouch: The repair of a damaged plate or die.
Rust: A brown mold on stamps.
S ...

Retouch: The repairing of a damaged plate or die, often producing a minor, but detectable, difference in the design of the printed stamps.

Recut: an unhardened printing plate that has been retouched.
Recycled Paper: replaced watermarked paper starting in 1992.
Red: informal term for a piece of registered mail; name came when registered mail was sent in red-striped pouches.

There are varieties called "retouch around the letters 'USTRA' " (in "Australia") and one called "retouched shading at right" for the type I stamps with highlighted background, neither of which I found in my accumulation.

What the collectors probably didn't know was the photo that was taken of the sailors was retouched so no living person was appearing on a U.S. postage stamp. All the faces were changed so any real sailors were unrecognizable.

Retouch - A corrected flaw in photogravure printing, usually still visible as an irregularity in the design.
Reversed - A left/right mirror image (usually refers to the watermark).
Roll - A coil of stamps.

See also: Stamp, Perforation, Official, Used, Plate