Not only ordinary people are fooled by these forgeries. A very similar example, also re-cut from a Siscia campgate, was offered last month by Roma Numismatics. It was withdrawn on my request. Other fake SPES PVBLIC examples have been offered by a number of respected auction companies. I have alerted them that they have offered SPES PVBLIC forgeries, and they have withdrawn them:
2007 Rauch Sommer Auction 2007, lot 1179: withdrawn on my request.
2008 Artemide Aste 22, lot 279: withdrawn on my request.
2008 Hirsch 260, lot 2272: withdrawn on my request.
2009: ebay seller petronius 2008, end 13 Dec 2009. Withdrawn 091209 after I showed it to be a forgery.
2011: Lanz on ebay (numismatiklanz), end 28 July 2011. Modern forgery, bought for study, returned, reimbursed by Lanz.
2015: Savoca 5, lot 358: withdrawn on my request.
2017: Gorny & Mosch 244, lot 597: withdrawn
My quest goes on.