A figure or design impressed in some paper during manufacture, visible when the paper is held to the light.
watermark is used to protect images,video,audio or documents.
sometimes they add visible watermark but they also use invisible watermarks to protect the copyright ;)
When paper is made the manufacturer uses a large screen to smooth out the paper pulp. They often put their logo on the screen. This creates a slightly thinner layer of pulp in that area. The logo can be seen in the finished paper by holding the paper up to the light. Many governments used watermarked paper to help avoid the creation of counterfeit stamps. Errors can occur when the watermarked paper is fed into the presses upside down.
A watermark on a stamp, as well as any other paper can be used to identify size, quality, thickness or density and in some cases, security as in bank notes and passports. In stamp collecting, identical stamps may have different water marks and this is important to a specialist collecter
Cachet
A trade mark, manufacturer's mark or factory mark.
If a piece of jewerly bears the SN mark stamp one is reading it upside down. The mark stamp actually says NS. NS means that the jewelery is made from gold, silver and nickel, where nickel and silver are the base metal.
stamp, mark, sign, autograph, subscription
distinguish, mark, identify, brand, stamp, typify
I own
it's a bicentennial bill with the stamp of the day and cancelled the day it was printed.
close the lid
Impress means to stamp (as in mark or outline) on a surface or body.
gold ring stamp with 14KIN, what does that stand for?
The Mark Twain forever stamp was priced at 44 cents when it was first released in 2011. As a forever stamp, its value remains equal to the current first-class mail rate, allowing it to be used for mailing letters regardless of future price increases.
The Stamp Act required that all materials printed in the colonies be printed on paper embossed with an official revenue stamp or mark. These printed materials included magazines, newsletters, legal documents and newspapers. A fee was charged for that mark. Stamps like you put on a letter were not created until 1840.