PISIDIA. Etenna. Severus Alexander, 222-235. Tetrassarion (Orichalcum, 24 mm, 10.67 g, 6 h). Α Κ Μ ΑΥΡ СЄΟΥΗ ΑΛЄΞΑΝΔΡΟС Laureate and draped bust of Severus Alexander to right, seen from behind. Rev. ЄΤЄΝΝЄΩΝ Demeter standing right, holding two torches; behind, serpent coiled around omphalos. RPC VI online 6047 (1 example, this coin). Extremely rare, perhaps unique. The reverse slightly double struck, otherwise, about extremely fine.
From the collection of Dr. P. Vogl, Helios 5, 25 June 2010, 1045 (with original ticket).