BELGIUM, Kingdom. Léopold I. 1831-1865. AR 1/2 Franc (18mm, 2.52 g, 6h). Bruxelles (Brussels) mint. Dated 1850. KM 15; Cr 16. In NGC encapsulation graded MS 61. Moderately toned specimen with very nice surfaces. An extremely rare coin and the first this cataloguer has seen. None graded higher.
Ex NASCA (December 1980), lot 2208.