18.58 gms. Eimer-312a; MI-I, 662/25. By J. Roettier. Conjoined draped busts of William and Mary; Reverse: Jove hurling thunderbolt at Phaethon who falls from his chariot. <strong>RARE</strong> gold striking of the official coronation medal with a mintage of only 515 pieces most of which have seen the melting pot over the past three centuries. A few stray contact marks, virtually no hairlines, nice strike with strong luster and quite attractive. PCGS AU-58+ Secure Holder.