Photos courtesy of John Dean
Obv. City Seal (?) on shield; to l., on ribbon 1836; to r., on ribbon 1936; above Centennial; below Seal Celebration
Rev. Across 100th / Anniversary / Official / Souvenir; below is Beloit on ribbon across shield and open wreaths; above all, around are ornamental designs; at bottom edge, microscopic Greenduck Co Chicago.
HK-693 Bronze. 37mm.HK-692 HK-693a