PURPOSE: To surely wipe off a stain such as dirt from the hands attached on both surfaces of a coin by sandwiching with pressure both surfaces of the coin with a pair of confronting abrasive materials, and moving the coin between parts sandwiched with pressure with the abrasive material compulsorily.

CONSTITUTION: This device is comprised in such a way that a pair of abrasive materials 2 which grind by sandwiching with pressure both surfaces of the coin (a) are arranged at the abrasive path 4 of the coin, and coin mobile bodies 3a-3e which move the coin compulsorily between the pair of abrasive materials 2 by abutting with the side edge of the coin are provided along the side of the pair of abrasive materials 2.