Three mining medals
1) Berwind White Coal Mining Company 50th Anniversary MedalBronze, Tiffany & Co. Fifth Avenue & 37th Street New York, 1936, the obverse shows a kneeling miner holding a chunk of ore and a pickaxe, around, "THE BERWIND WHITE COAL MINING CO 50TH ANNIVERSARY, The reverse" bears two square panels, the left one showing a steamship, the right one a factory with freight train in front, banners above and below, reading "EUREKA" and "1886 - 1936" signed at bottom "TIFFANY & CO.", very good condition, 6.5 x 81 mm (HxD), G. 280 g 2) hard coal medal obverse portrait of Agricola, caption "2nd International Congress for Hard Coal Processing September 20-26, 1954", very good condition, D. 12.5 cm 3) Medal by Jean Jadot, white metal, 1932, obverse portrait of Jean Jadot, reverse "Jean JADOT Gouverneur de la Societé Génerale de Belgique 1906-1932", very good condition, D. 7.1 cm