Watch List notes:

Sicily. Akragas. AR Dionkion, 473-430 BC. Obv. Eagle head left; below, A. Rev. Two pellets. AR. g. 0.09 mm. 5.00 RRR. Of the greatest rarity. About EF. Apparently unpublished, we found only a reference in U. Westermark, 'The fifth century bronze coinage of Akragas' in AA.VV., 'Le origini della monetazione in bronzo in Sicilia e Magna Grecia', Atti VI Conv. Int. Studi Numismatici (Napoli 17-22 april 1977), Suppl. AIIN XXV, 1979, pp. 3-15.
Ex Artemide Aste XXXI, 7 (18 December 2010).