The obverse bears bust of John Hancock facing right. Around, JOHN HANCOCK MUTUAL LIFE INSURANCE COMPANY; in exergue, famous "John Hancock" signature; artist's signature under truncation, KILENYI
The reverse bears to rectangular fields of leaves surrounding dedication field. Above, DIAMOND JUBILEE; (JOHN HANCOCK signature) / LIFE INSURANCE COMPANY / OF BOSTON, MASSACHUSETTS / 1862 - 1937 / PRESENTED TO / IN TOKEN OF DISTINCTIVE SERVICE / RENDERED IN THE COMPANY'S / SEVENTY-FIFTH ANNIVERSARY
The edge is marked ROBBINS CO / ATTLEBORO / BRONZE.
The medal measures 76.5mm and was struck by the Robbins Company of Attleboro, Massachusetts. No mintage is reported.