Here is a pretty poor fake from eBay seller coin-ancient-world
It is attempting to copy a rare Constantinopolis commemorative, which is the second picture below, along with the description from the auction house.
Circa AD 330
17mm 1.6gm
C-S across field, O above, C below; O/CS/C. - all within wreath.
Star of eight rays.
Coh. Bd. VIII, S. 272, Nr. 54; Antike Numismatik Tf. 9, 105
