GERMANY. Brunswick-Luneburg: Calenberg. Taler, 1687-RB. Zellerfeld Mint. Ernst August, as Bishop of Osnabruck. PCGS AU-53. Dav-6592; KM-279; Welter-1950. Toned a mostly light gray hue with some glints of burnished champagne near the outer regions, this "wildman" crown presents a charming overall appearance and state of preservation. From the Robert C. Knepper Collection.