Watch List notes:

(x) Diadumenian (218), AR Denarius, 3.26g, 12h, Rome, M OPEL ANT DIADVMENIAN CAES, draped bust right, rev. PRINC IVVENTVTIS, Diadumenian standing holding standard and sceptre, two Legionary standards beside him, surmounted by eagle and wreath on hand (BMC 87; RIC 102; RSC 3), toned, extremely fine and scarce..
Provenance
The Peter Stagnetto Collection of Ancient Coins
Spink Numismatic Circular, April 2002, RM0784 - £350
, ,
NGC 'Choice AU' (#5880398-020). Strike 5/5. Surface 4/5.
, https://www.ngccoin.com/certlookup/5880398-020/NGCAncients/
Estimate: £350 - £450