Watch List notes:

Tranquillina, wife of Gordian III (died 241 AD). AE 18 mm, Deultum (Thrace). Obv. SAB TRANQVILLINA AVG. Diademed and draped bust left. Rev. C-F/P-D. Naked Venus standing facing; vase at her feet to left. Varbanov 2963 (R5). AE. g. 3.39 mm. 18.50 RRR. About EF. Very rare.