The rarest of the Eagle half-tracks - of the type with hooks in the rim.
A very nicely preserved coin, protected by a thin, skillfully applied layer of varnish.
So far considered an issue of the Cracow mint, but in the context of the findings of, among others, Slawomir Dudek, Cezary Chelchowski's article, this attribution should be considered incorrect. Research is currently underway for a new, correct attribution of it.
Variety with a cross on the obverse opposite (+).
In REX a small dot after the R.