Tiberius and King Aspurgus, Bosporos Kingdom, AE21, 5.47 g. GAIOS KAISAROS GERMANIKOY, bare head of Tiberius right. WBAR monogram and IB, bare head of King Aspurgos right. RPC 1904; SNG Cop 24; BMC 8-9; Paris 99-100. With permission of Numis. Naumann auction 70, lot 167, Oct. 2018