Possibly from the same engraver. At the first view, I believed that you had found a reverse die match with my campgate which is 15mm and 2.2g (in deed, not). The one you show seems to be for Crispus too.
(https://www.lateromanbronzecoinforum.com/index.php?action=dlattach;topic=689.0;attach=2553;image)