ORC8220 Istros, AE10 Wheel EF, NR US $18.53 Feb-20-03 Seller oldromancoins.com ORC8220 Istros, AE10 Wheel EF, NR Istros, Thrace, Æ10, (0.77g) 400-300 BC, Wheel of four spokes, dot at center. / IST EF, as cast, green patina.