CNG - Euboea, Histiaia. Tetrobol. Good VF $51.00 Nov-15-00 cngcoins Euboea, Histiaia. Before 146 BC. AR Tetrobol (2.41 gm). Wreathed head of Histiaia right / Nymph seated right on galley. SNG Copenhagen 517ff. Good VF. 722625.