Type of die variety. on-line auctions An auction held over the Internet, such as on Ebay. original/original toning Having natural surfaces resulting from long exposure to ordinary environmental conditions; uncleaned. overdate A coin struck from a die with at least one digit of the date repunched over a different digit, e.g. 1809/6 or 1942/1. overgraded Designated with a higher grade than merited.