Napoleon bronze "Mineralogy School" Medal 1805-Dated MS63 Brown NGC, Bramsen-471, Julius-1498. 40mm. By Andrieu and Brenet. Commemorating the Mont-Blanc Mining School, this walnut-toned offering has striking motifs, with miniature miners under the lifted rock, and a slight dapple of toning upon the bust of Napoleon. From the Maplewood Collection HID09801242017 © 2023 Heritage Auctions | All Rights Reserved