Eudoxia, heavy miliarense, 24mm, 5.10g.  Constantinople. 395-403 AD. 

AEL EVDO-XIA AVG, rosette-diademed, draped, bust right,
with necklace and earring.
Large Chi-Rho within wreath.
Mintmark CONS. 

RIC X 46 (this coin); RSC 1 (this coin). 

Of the highest rarity, the only one known.

Contributed by Dr. Hubert Lanz, auction November 2000, 
Added July 2011.
Sold for 20,000 DM.