Pair of brass pendants with profile portraits of Louis XVI (b) and Marie Antoinette (a). Portraits are in oval frames adorned by leaves and berries along the top perimeter. Large bows at top are attached to metal loops. Hooks with wings are attached to the bottom of the portrait oval.

Obverse: two balloons; "AUDACIA FELIX" at top and "AERA PERMEARUNT XXI. NOV. / L.F. DARLANDES ET F. PILATRE / I. DEC. J.A. C. CHARLES / ET M.N. ROBERT / ANNO MDCCLXXXIII" under image Reverse: 32 stars encircle "PATEFACTO / PER AERA ITINERE / A JOSEPHO ET STEPHANO / MONTGOLFIER / V. JUNII MDCCLXXXIII. / REI MEMORIAM / POSTERITATI TRADI JUSSIT / LUDOVICUS XVI. / ANNO MDCCLXXXIV." One of two identical medals.

Obverse: two balloons; "AUDACIA FELIX" at top and "AERA PERMEARUNT XXI. NOV. / L.F. DARLANDES ET F. PILATRE / I. DEC. J.A. C. CHARLES / ET M.N. ROBERT / ANNO MDCCLXXXIII" under image. Reverse: 32 stars encircle "PATEFACTO / PER AERA ITINERE / A JOSEPHO ET STEPHANO / MONTGOLFIER / V. JUNII MDCCLXXXIII. / REI MEMORIAM / POSTERITATI TRADI JUSSIT / LUDOVICUS XVI. / ANNO MDCCLXXXIV." One of two identical medals.

Burled veneer presentation box contains illustration of balloon and label marked "Lavoisier medal / l'an 10 / M and B fund." Affixed outside of box is second balloon illustration and French newspaper clipping.

Miniature bronze bust of Georges Cuvier on a pedestal with "CUVIER" etched in the center. This object is similar to another miniature bust in the APS collection (01.C.09) marked "BUFFON."

Miniature bust of Georges-Louis Leclerc, Comte de Buffon. The bust is cast in bronze in two pieces. "BUFFON" is stamped in block letters on the side of the circular base. There are no identifying maker’s marks. This object is similar to another miniature bust in the APS collection (01.C.58) marked "CUVIER".

Medal with hole at top, probably to allow to be worn as pendant. Obverse: profile portrait of Marquis de Lafayette a.k.a. Marie-Joseph Paul Yves Roch Gilbert du Motier; "GENERAL LAFAYETTE" around perimeter. Reverse: stylized oak wreath; "THE DEFENDER / OF AMERICAN AND / FRENCH LIBERTY / 1777 - 1824 BORN IN CHAVANIAC / THE 6 SEPTEMBER / 1757" at center.

Bas-relief profile portrait of Antoine Laurent Lavoisier at center. "Lavoisier, membre du lycée des arts" around top perimeter in script.