authentication mark love

Help Wordnik hunt for a million missing words by backing our Kickstarter!

authentication mark


Sorry, no definitions found.


Sorry, no etymologies found.


Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.

  • A mark (such as initials) placed on the reverse of a stamp that has been examined and certified to be genuine by an expert. Such markings do not detract from the value of the stamps when they represent the endorsement of recognized authorities.

    August 25, 2008