Watch List notes:

Thrace, Anchialus. Tranquillina. Augusta, A.D. 241-244. AE diassarion (24.7 mm, 7.25 g, 12 h). ΑΒ ΤΡΑΝΚΥΛΛΙΝΑ Є, diademed and draped bust right / ΑΓΧΙΑΛΕΩΝ, eagle standing left, head right, with wings displayed, on garlanded altar. Tachev, Anchialos 23 var. (Assarion); AMNG -; Varbanov -. Fine, green patina with earthen deposits. Very rare, unpublished denomination.