Coins of Verina are incredibly rare, and are almost never sold on the open market.
Unless you've got almost unlimited funds, the only way to get a coin of Verina is a tiny AE4 of her husband Leo I, which features her on the obverse holding a scepter.
Reverse: Verina standing, facing, holding a transverse scepter "b-E"
Die Orientation: 0 H
Weight: 1.2 g
Reverse: Verina standing facing, holding cross on globe and sceptre
Die Orientation: -
Weight: 1 g