Ah, eyes to heaven bust, I see it now. Mint mark looks to me to be SMKB dot which would make it Cyzicus rather than Nicomedia. It’s hard to tell from the photo though, so hard to tell. Nice coin, I don’t have an eyes to heaven campgate.
Edit - From Helvetica's spreadsheets:
Constantine I
CONSTAN-TINVS AVG
Bust: DU (plain or ladder-shaped diademed (sometimes with dots in the sections) head only, looking upwards)
PROVIDEN-TIAE AVGG
2 Turrets
Layers: not stated
Star above: yes
Doors: no
SMKB dot
Mint: Cyzicus
RIC VII Cyzicus 57; Sear 16265 R4
328-329
Note: downgraded from R5. For Vic Failmezgers example see
http://www.ancients.info/gallery/data/502/medium/181Con571.jpg. Another sold on ebay by Lars Ramskold in Sept. 2008.
On Wildwinds: yes