Johannes, AE4, Rome mint. 423-425 AD. 0.96 gr.

DN IOHAN-NES PF AVG, pearl diademed, draped, cuirassed bust right.
SALVS REI-PVBLICAE, Victory advancing left, trophy on 
shoulder, dragging captive behind her.
Chi-rho in left field.
Mintmark RM
RIC X 1913; Grierson-Mays, 823, rated R3

Ex Lanz auction 141 lot 854,

Image courtesy of Umberto Moruzzi, April 2012.

NOTE: This is one of the many coins stolen from 
Umberto Moruzzi in Berlin on 27 January 2011 
during the World Money Fair.
For a full list and contact information, see 
http://www.moruzzi.it/stolen_coin02.pdf