Watch List notes:

P. Plautius Hypsaeus. 57 BC. AR Denarius (17mm, 3.92 g, 10h). Rome mint. Diademed and draped bust of Leuconoë right; dolphin behind / Jupiter driving quadriga left, holding reins and thunderbolt. Crawford 420/2a; Sydenham 911; Plautia 12; RBW 1515. Toned, minor area of weak strike. Good VF.

Ex Karl Sifferman Collection (Classical Numismatic Group Electronic Auction 171, 22 August 2007), lot 215.