Nerva, AE25 of Perinthos, Thrace.

NEROVAN QEON SEBASTO, radiate head right.
PERINQIWN, Demeter standing left, holding corn-ears and long torch.

Varbanov 41 (this coin); Schoenert-Geiss 316.

Note: This image was recovered after having been destroyed 
in the March 2009 website attack. The owner or seller
information was unfortunately lost. Recovered and 
re-added in September, 2012.