1.   The RUC said the notes were of poor quality and did have a water mark.

2.   Another likely change is the incorporation of a water mark, which appears to be a blank area but reveals a portrait when held up to the light.

3.   If they are water marks, they cannot be removed but they can be disguised.

4.   Q. My black marble vanity top and the marble floor are showing a lot of annoying water marks.

5.   The acid attacks lime in the bluestone and should take out the water mark.

6.   The cartons had water marks and were disintegrating.

7.   The shroud still bears the water marks and signs of scorching.

8.   Those white spot are water marks.

9.   Central banks already try to foil counterfeiters by including water marks and other difficulties to reproduce images on bills.

10.   Capt. Corrie Engelbrecht said the fake notes, which feature water marks and magnetic strips, were convincing.