Obverse: profile portrait of Carl Friedrich Gauss; "Carolvs Fridericvs Gavss NAT. MDCCLXXVII APR. XXX OB. MDCCCLV FEB. XXIII" around perimeter. "Brehmer F." under portrait. Reverse: ivy wreath; "Georgivs V Rex Hannoverae Mathematicorvm Principi" in center and "ACADEMIAE SVAE GEORGIAE AVGVSTAE DECORI AETERNO" around perimeter.

Obverse: profile portrait of Carl Friedrich Gauss; "Carolvs Fridericvs Gavss NAT. MDCCLXXVII APR. XXX OB. MDCCCLV FEB. XXIII" around perimeter. "Brehmer F." under portrait. Reverse: ivy wreath; "Georgivs V Rex Hannoverae Mathematicorvm Principi" in center and "ACADEMIAE SVAE GEORGIAE AVGVSTAE DECORI AETERNO" around perimeter.

Obverse: bas-relief profile portrait of Poincaré, leaning arms on table, reading book. "HENRI POINCARE/MDCCCLIV / MDCCCCXII," at top; Greek inscription at bottom. Reverse: "A / HENRI POINCARÉ / MATHÉMATICIEN / PHILOSOPHE / PHYSICIEN / ASTRONOME / 1854-1912 / SOUSCRIPTION / INTERNATIONALE."

Obverse: bas-relief of classical figure and torch; "COLLEGE OF PHYSICIANS & SURGEONS COLUMBIA UNIVERSITY" around perimeter, "Abram Belskie" under knee of figure. Reverse: bas-relief of building facade; "TWO HUNDREDTH ANNIVERSARY 1767 1967" around perimeter, "Hans T. Clarke" under facade. Presented along with the papers of Hans T. Clarke (APS Library).