Watch List notes:

Egypt, Alexandria. Aurelian and Vabalathus. A.D. 270-275 (+ Vab. = A.D. 271/2). Potin tetradrachm (22.59 mm, 10.34 g, 1 h). struck A.D. 270/1. A K Λ ΔOM AVPHΛIAN[O]C CEB, laureate, draped and cuirassed bust of Aurelian right; in field, LB (= yr. 2 of Aurelian = A.D. 270/1) / I A C OVABAΛΛAΘOC [AΘ]HNV A C P, laurel-diademed, draped and cuirassed bust of Vabalathus right; in field, L - Є (= yr. 5 of Vabalathus' Palmyrene "Empire" = A.D. 270/1). Emmett 3914; BMC 16. 309, 2387. Choice VF / VF, light green patina contrasts well with slightly worn metal on high points of devices.