Tranquillina (Gordian III, 238-244), Tetradrachm, Egypt: Alexandria, AD 242-243; BI (g 12,83; mm 22; h 11); CAB TPANKVΛΛEINA CEB, diademed and draped bust r., Rv. Homonoia standing l., raising hand and holding double cornucopia; on l., Lς. Dattari 4823; Emmett 3449.
Very rare, about extremely fine.
Estimate: 400 GBP