Libius Severus. AD 461-465 AD. AV Tremissis. Milan mint. 

DN LIBIVS SEVERVS P F Ay, pearl-diademed, draped and cuirassed bust right.
No legend, cross within wreath.

Mintmark COMOB. 

RIC X 2727; Lacam 77.

Sold for 1,200 Euros in 2007.