The medal's obverse shows a Caterpillar tractor No. 77 on field or rough surface. Around top, HISTORY OF THE TRACK-TYPE TRACTOR; at bottom, 1904 - 1905
The reverse bears calendar panel with three different tracked Caterpillar tractors to left, right and bottom. Above, 19 (CP logo) 85 / CATERPILLAR
The circular medal measures 76mm in diameter and was struck in bronze by the Medallic Art Company. No mintage is reported.
References: Cal CP-1985