Leo I, AE12 Exagium Solidi, Thessalonica. AD 457-474. 4.23 g. 

No legend, crowned and draped bust facing.
Leon's Thessalonica monogram.

RIC Bendall, Weights 16.

With permission of Numismatik Lanz München, Dez. 2014.

Extremely Rare
Estimate: 1,000 Euros.