Watch List notes:

Phoenicia, Tyre. Trebonianus Gallus. A.D. 251-253. Æ (26 mm, 13.29 g, 12 h). Laureate, draped and cuirassed bust of Trebonianus Gallus right / The two emperors standing facing one another, each sacrificing out of patera over tripod between them; above, star; in exergue, murex shell. SNG Hunterian -; BMC -; cf. Rouvier 2475. Very rare. Green patina. Fine.