[1] Fossin and his son Jules became noted for romantic jewelry inspired by Italian Renaissance and nature motifs including vine leaves, fruit and hawthorne, and successfully established a noble clientele.
[2] Fossin’s designs incorporated detailed botanical elements, including ivy, volubilis, olive, and chestnut leaves, as well as flowers like eglantine, hawthorn, jasmine, and geranium.
For added realism, he introduced enamel techniques, particularly for green leaves, giving his pieces a lifelike appearance and dynamic visual effects highly.
[3] With his son Jules, he opened a shop on the rue Richelieu, where their artistry attracted both the nobility of the Faubourg St. Germain and the newly enriched bankers of the Chaussée d'Antin.
[5] Fossin’s designs, which heavily drew from Renaissance and natural motifs, helped secure significant commissions for ceremonial items and jewelry for the French royal family, including pieces like the renowned Leuchtenberg Tiara, crafted for Queen Hortense.