diameter: 1 1/2 in. ( 3.8 cm )
Bronze struck medal with obverse showing male silhouette facing right with surrounding legend: "CENTENNIAL OF FIRST USE OF WYOMING COAL FEB.11.1908/JESSE FELL." Obverse depicts open book with superimposed crossed hammer and feather at center with legend: "WYOMING HISTORICAL & GEOLOGICAL SOCIETY./1858 - 1908/FOUNDED/FEB.11.1858/WILKES-BARRE/PA."
Due to ongoing research, information about this object is subject to change.