Watch List notes:

VETRANIO, (350 A.D.), AE 19 (half centenionalis), Siscia Mint, (1.79 g), obv. Around D N VETRA NIO P F AVG, laureate bust right, of Vetranio, draped and cuirassed, rev. GLORIA RO MANORVM around, in exergue B S I S, Emperor, bare headed and in military dress, standing facing, head to left, holding standard with Chi-Rho on the banner and a spear, (S.18907, RIC 294, C.3 [R2]). Green patination, nearly very fine/very fine and very rare.

Ex Dr V.J.A. Flynn Collection and previously from Noble Numismatics Sale 107 (lot 3990) and also coming from an old Hungarian collection.
A denomination rarely seen last sold example was in cgb.fr, eSale July 2018 (lot 182) realised 262 euros.