Trebonianus Gallus Billon Tetradrachm of Alexandria, Egypt. Dated Year 3 = 252-253 AD. Obv: AVGO VIB TPEB GALLO CEV CEB, laureate, draped & cuirassed bust right Rev: L-G, Serapis standing left, pollos on head, holding left hand out & scepter. Vagi 2240, Dattari 5118, Geissen 2839. Sold on ebay.fr on 10.04.2005; 2 bids; winning bid: 28.50 EUR. Contributed by Yuri Kabanov, April, 2005.