I have one from Alexandria I got from Warren. Notice Alexandria used a shorter legend than some of the other mints. RIC 109, Ex George Bauer Collection, ex Berk Auction #5 lot 183, 1978. John
Another new addition relevant to this thread. Another half follis to go along side the Diocletian from Alexandria above. Maximianus - Half Follis Obv:– DN MAXIMIANO FELICIS, Laureate and mantled bust right, holding olive-branch and mappa Rev:– PROVIDENTIA DEORVM, Providentia standing right, extending hand to Quies standing light, holding branch and leaning on scepter Minted in Alexandria (Delta //ALE). A.D. 308 Reference:– RIC VI Alexandria 91a
Some time on and I have stumbled across the Max. Herc. to match my OP. Maximianus Herculius Follis Obv:– D N MAXIMIANO FELICISSIMO SEN AVG, laureate bust right in imperial mantle, olive branch in right hand, mappa in left Rev:– PROVIDENTIA DEORVM QVIES AVGG, Providentia standing right, extending right hand to Quies standing left, branch upward in right hand, vertical sceptre in left Minted in Ticinum (_ | Dot // TT). A.D. 305-306 Reference:- RIC VI Ticinum 57b (C). Cohen 489 10.64 gms. 27.80 mm. 0 degrees.
Wow, @maridvnvm, you have an impressive sub-collection of these! Here's my only one, Diocletian/Rome mint: