Watch List notes:

Egypt, Alexandria. Trebonianus Gallus. A.D. 251-253. Potin tetradrachm (23.00 mm, 10.34 g, 12 h). R.Y. 3=A.D.252/3. . A K Γ O VIB TPEB ΓAΛΛOC EVCEB, radiate, draped and cuirassed bust of Trebonianus Gallus right / Homonoia standing facing raising hand and holding double-cornucopiae; L-Γ. Curtis 1462; Milne 3847; Dattari 5115; Emmett 3670. Good VF. 

Ex Karol De Gaus Auction 10, Lot 2788.