im thinking about buying this coin what's a good offer to make as my familiarity with early coins is limited LYDIAN KINGDOM. Croesus (ca. 560-546 BC). AR stater (18mm, 10.14 gm). Sardes mint, struck ca. 550-546 BC. Confronted foreparts of lion and bull / Two incuse square punches. Berk 19. SNG Kayhan 1018. NGC F 5/5 - 2/5, granularity (coin is a little loose in holder). http://www.ebay.com/itm/LYDIAN-KINGDOM-Croesus-ca-560-546-BC-AR-stater-18mm-10-14-gm-Sardes-min/301150875700?_trksid=p2046732.c100040.m2060&_trkparms=aid=111001&algo=REC.SEED&ao=1&asc=20140107095009&meid=7549513609350908003&pid=100040&prg=20140107095009&rk=1&rkt=4&sd=301150875700