A very rare denarius attributed to the reign of Ladislaus the Short / Casimir the Great.
A distinctive type with a "helmet with plume" on the obverse, in a distinctly rarer variety - without the otolith inscriptions.
Obverse: helmet with a plume of five feathers.
Reverse: eagle facing left, with outspread wings.
Silver, diameter 12.5 mm, weight 0.26 g.