Philip I, AE31 of Bizya, Thrace.

AVT M IOVL FILIPPOC AVG, Laureate, draped and cuirassed bust right.
BIZ-V-HNWN, emperor on horseback right, sceptre in right arm. 

Varbanov 1539; Jurukova 92; CNT 7187. 

From the Garth R. Drewry Collection.
(CNT = Corpus Nummorum Thracorum, online)
Rare.
With permission of cngcoins.com, Sale 159, Lot: 141. Sold for $125.