Antoninus Pius Æ 15mm of Dionysopolis, Moesia Inferior. AD 138-161. AYTOKP, bare head to right / ΔIONYCO, caduceus. RPC -; Sear -; Varbanov -, cf. 422; seemingly unpublished in the standard references. 2.27g, 15mm, 6h.
Near Very Fine. Possibly Unique; seemingly unpublished and no other examples on Coin Archives.
From a private European collection.
The closest reference to this coin we can find is Varbanov 422, with the reverse legend of ΔIONICO, which Varbanov rates as R10 - unique and unpublished.