Watch List notes:

BELGIUM. Renier Chalon. 1802-1889. Æ Medal (59mm, 94.60 g, 12h). On His Election as President of the Société Royale de Numismatique de Belgique, 6 July 1873. By Leopold Wiener. Dated 1876. Head of Renier Chalon right / Legend citing date of installation as President in five lines. Forrer VI 495. EF, brown patina, traces of verdegris.