Galla Placidia. AV Tremissis 13mm, 1.45 g. Rome or Ravenna mint. 
Struck AD 440-455. 

DN GALLA PLACIDIA PF AVG, Pearl-diademed and draped bust right, 
cross on shoulder 
Cross within wreath. 
Mintmark COMOB. 

RIC X 2062; Depeyrot 47/9; Biaggi 2336 (this coin). 

Rare.

With permission of Numismatica Ars Classica 49, October 2008
Lot 529; Biaggi Collection 2336.