Watch List notes:

M. Volteius M.f. 75 BC. AR Denarius (18mm, 3.91 g, 12h). Rome mint. Laureate, helmeted, and draped bust of Attis right; butterfly to left / Cybele driving biga of lions right; Π above. Crawford 385/4; Sydenham 777; Volteia 4. Good VF, toned, a few scratches and marks. Rare butterfly symbol.

From the Dr. Charles Schulz Collection. Ex Coin Galleries (10 April 1991), lot 275.