Watch List notes:

M. Baebius Q.f. Tampilus. 137 BC. AR Denarius (17mm, 3.91 g, 6h). Rome mint. Helmeted head of Roma left; X (mark of value) below chin; TAMPIL behind / Apollo driving quadriga right, holding bow and arrow. Crawford 236/1a; Sydenham 489; Baebia 12. Near VF, toned, graffito "X" on obverse.