Watch List notes:

Trebonianus Gallus (251-253). AE Sestertius, 251-253 AD. D/ IMP CAES C VIBIVS TREBONINANVS GALLVS AVG. Laureate, draped and cuirassed bust right. R/ SALVS AVGG SC. Salus standing left, feeding snake coiled around altar and holding sceptre. RIC 122. AE. g. 14.29 mm. 27.70 Scarce. VF/About VF.