F215: MYSIA Cyzicus. Britannicus, Antonia & Octavia. Children of Cladius. RARE. (see STORY) US$ 1,500 € 1.102,85 £ 748,33 SFr. 1.812,17 Rates for 4/20/2007 Stock No. F215 F215: MYSIA Cyzicus. Britannicus, Antonia & Octavia. Children of Cladius A.D. 41-54.: AE 12 (1.67 g). Head of Britannicus right. / Busts of his sisters. RPC 2248. Extremely rare. F/VF Ex Donovan coll. Courtesy of John Jencek on vcoins