Here's a campgate that I just won. It has windows in the turrets and an unusual arch around the doorway
Constantine I
A.D. 318- 319
18mm 2.9g
CONST-ANTINVS AVG; laureate helmet, cuirassed bust right.
VIRTV-S AVGG, campgate with three turrets and windows and closed gate, in fields P/R
In ex. RT
RIC VII Rome 176