Definitions
Sorry, no definitions found. Check out and contribute to the discussion of this word!
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word secret mark.
Examples
Sorry, no example sentences found.
reesetee commented on the word secret mark
A very small alteration to a stamp design that's added to distinguish later printings from earlier printings by a different firm. Secret marks may positively distinguish genuine stamps from counterfeits.
August 26, 2008