Over dipped

over dipped - A coin that has lost it's original luster from being dipped too many times.

Over dipped - A coin whose luster has been dulled from too many baths in a dipping solution.
Over-mintmark - One mintmark on top of a different mintmark, such as a 'D' over an 'S' (denoted D/S) ...

over dipped A coin that has become dull from too many baths in a dipping solution.

Over Dipped - A coin that has been dulled by excessive bathing in a dipping solution.
Overgraded - Designated with a higher grade than merited.
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This can be a coin that is very darkly toned, over dipped, and/or borderline for the grade assigned by a certifying grading service.

Luster - The sheen imparted by a coin. Original luster is the sheen imparted during the minting process. A "washed" out or over dipped coin is said to be lacking luster. Gem coin must have full mint luster.

See also: Gold, Coin, Dipped, Silver, Dollar