The plaquette's obverse bears portrait of old Benjamin Franklin facing right. Across top, AMERICAN NUMISMATIC ASS'N; signed diagonally down under truncation, ANDREW C. McHENCH Sc.
The reverse is inscibed: 1956 / CHICAGO CONVENTION / PRESENTED FOR / EXCELLENCE / OF EXHIBIT / FIRST AWARD / HEROLD DERMODY
The plaquette is based on a much earlier design by Andrew McHench. Clyde C. Trees of the Medallic Art Company acquired the design in 1931. Starting in 1956 it was used as as stock medal.
References: MACo 1931-030