Watch List notes:

World Coins, German States, City of Erfurt, Groschen, 1468, city coat of arms in quadrilateral, a ring in each corner, GROSSVS NOVVS ERFFORDENSIS, rev., St. Martin on horseback with beggar below, inside quatrefoil, a ring in each corner, SANCTVS MARTINVS EPISCOPVS 68, very fine, extremely rare