France. LOUIS PASTEUR. By Ren? Lalique. Uniface cast bronze 99mm. $750. Sorry, SOLD (August, 2023)

The American Numismatic Society has an example of this portrait in glass.

René Lalique was born in Ay, Marne on April 6, 1860. When he was twelve, he entered the Collège Turgot where he learned drawing and sketching. He attended evening classes at the École des Arts Décoratifs from 1874–1876. He then moved to England, where he spent two years at the Crystal Palace School of Art in Sydenham. Lalique practiced as an apprentice goldsmith to leading Parisian art nouveau jeweller and goldsmith, Louis Aucoc. He began his career as a jewellery apprentice at the age of 16, and by 1881 he was working as a freelance designer for Boucheron, Cartier and other Parisian jewellers. He opened his own workshop on Place Gaillon in Paris in 1885. He is best known for his glasswork, but created jewellery, hood ornaments,and other works of art, including a few medals.  Lalique died in Paris on 1 May 1945.