Hidden Paper Design, Seen When Held to the Light

This page is the CodyCross answer for the clue below from TV Station, Group 607, Puzzle 1 (Commercials).

Question is: Hidden Paper Design, Seen When Held to the Light

and the answer is: WATERMARK

Word Meaning:

WATERMARK — A translucent design impressed on the surface of paper and visible when the paper is held to the light.

Definitions from Wiktionary.

Hidden Paper Design, Seen When Held To The Light - TV Station CodyCross Answers | CodyCross Solutions