Not common Magnentius from Rome
(https://www.lateromanbronzecoinforum.com/proxy.php?request=http%3A%2F%2Fi56.servimg.com%2Fu%2Ff56%2F12%2F48%2F64%2F65%2Fmagnen10.jpg&hash=57a3a1354ff8414213134d7cccf96baeeb42f821) (http://www.servimg.com/image_preview.php?i=751&u=12486465)
Magnentius, AE 23, Rome, 350
A/ IMP CAE MAGN-ENTIVS AVG, Draped and cuirassed bust right,
R/ VICTORIA AVG LIB ROMANOR, Victory and Libertas standing facing one another, holding palm frond and transverse scepter, respectively; trophy between
RS in exergue
RIC.192 R â€" Bastien « Le monnayage de Magnence » n°435 (1 ex), 2ème phase de février 350 à début mai 350
This type seems much more rare than indicated in RIC.
Yes, that is a type that does not turn up often.