Trebonianus Gallus, AR Tetradrachm 25 mm, 13.49 gr. 251-253 AD.

AUTOK K G OUIB TREB GALLOC CEB, laureate, draped bust right,
officina mark of one dot beneath bust.
DEMARC ETOUCIAC, eagle standing right, head left, tail left,
holding wreath in its beak; officina letter A between legs, 
SC in exergue.

Prieur 656; Dura I 540.

With permission of Roland Müller. Added June 2013.
Unusual with a white patina.