MYSIA. Parium. Antoninus Pius, 138-161. (Bronze, 16 mm, 3.01 g, 12 h). ANTONINVS AVG Bare head of Antoninus Pius to right. Rev. C G I H P Founder, veiled and togate, plowing with two oxen right. Cf. RPC IV.2 Online temp. 613 (laureate). SNG BN 1473-5. Well struck, and with a green patina. Light deposits and a few cleaning scratches, otherwise, good very fine.
It was a Roman custom to fix the boundary of a newly founded city by marking it with a sacred furrow - the pomerium.