Watch List notes:

Thrace, Perinthus. Elagabalus. A.D. 218-222. AE 33 (32.9 mm, 19.72 g, 7 h). [AVT K M AVP] CEV ANTΩNEINOC AVΓ, radiate, draped, and cuirassed bust right / ΠEPINΘIΩN ΔIC NEΩKOPΩN, Demeter standing left, holding grain ears and long torch. Unpublished in standard references; Varbanov -; Schönert -. near Fine. Extremely Rare. 

This reverse type appears to be previously unknown for Perinthus.