Watch List notes:

Balbus. 169-158 BC. Æ Quadrans (23.5mm, 8.58 g, 3h). BAL series. Rome mint. Head of Hercules right, wearing lion-skin headdress; [•••] (mark of value) to left / Prow of galley right; ••• (mark of value) to right, BAL (monogram) above. Crawford 179/4; Sydenham 354c; RBW 760 (this coin). VF, brown and green surfaces.

From the RBW Collection (Numismatica Ars Classica 61, 5 October 2011), lot 756 (unsold).