Caracalla AE18 of Byzia, Thrace.

Bare-headed, draped and cuirassed bust right
BIZYHNWN, Bull walking right. 

Jurukova 50; Moushmov 3470; Varbanov 1478.

VF, dark green patina.

With permission of cngcoins.com
CNG 94, Lot: 93. Estimate $75.
Sold for $47.