Watch List notes:

P. Plautius Hypsaeus, 57 BC. Denarius (Silver, 17.5 mm, 3.83 g, 2 h), Rome. P · YPSAE · S · C Head of Neptune to right; trident behind. Rev. C · YPSAE · COS / PRIV / CEPIT Jupiter, holding reins in left hand and hurling thunderbolt with right, driving quadriga left. Babelon (Plautia) 11. Crawford 420/1a. Sydenham 910. Bold portrait of Neptune. A few faint scratches, otherwise, good very fine.
From the W. F. Stoecklin Collection, Amriswil, Switzerland, acquired prior to 1975.