Arcadius, AE4, 13mm 

Obv: DN ARCADIVS PF AVG, pearl-diademed, draped, cuirassed bust right
Rev: GLORIA REIPVBLICE, multi-level "campgate", with windows in an upper 
 layer and two turrets.
Mintmark: TES 
Ref: RIC IX Thessalonica 62 var.

for more information, see the text to the other example
here on wildwinds.

For sale on consignment by Ancient Imports in April 2012.
Image used with permission of Ray Wilk (and Ancient Imports)
April 2012