Sign on Paper Money Only Visible Under Light
This page is the CodyCross answer for the clue below from New York, New York!, Group 376, Puzzle 5 (Madame Tussauds).
Question is: Sign on Paper Money Only Visible Under 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.