This coin of Constantine's sister is being offered as a reproduction. It shouldn't fool anyone, but eventually someone will probably buy it thinking it is genuine.
Constantia
Æ Follis
21mm 4.7gm
A.D. 326-327
CONSTANTIA N F (nobilissima femina) head bare, but intertwined plaits encircling head, plaits decorated with hair pins, mantled with necklace (A7 bust).
SOROR CONSTANTINI AVG reverse legend enclosing wreath, wherein PIET/AS PVB/LICA
RIC VII Constantinople 15
the reverse legend translates as "the public piety of the sister of Constantine".
the second picture is a real example.
here's a poor attempt at copying a coin of Constantia. It is being sold by eBayer lanzresell
I didn't see one of those on VCoins. I assume coins of Constantia are pretty scarce?
Yes, they are very scarce. I think that there are less than half a dozen known.
it's been a while since Ive seen one for sale; but here is a fake currently for sale.