Evening dress, c. 1915, from the Hallwyl Costume Collection.
https://www.bkgjewelry.com/sapphire-ring/476-18k-yellow-gold-blue-sapphire-solitaire-ring.html Falize sapphire butterfly Art Nouveau - beautiful as a ring or pendant
Art Nouveau Barcelona’s House of Gaudi Catalan’s Antonio Gaudi architecture- can you imagine??
What a nice color scheme for a night sky. Moonlight by Mucha
Love how nouveau animates everyday life. Feels that there could be another world behind this door.
French Dress - back - 1910 - by Weeks (French) - Silk, metal - The Metropolitan Museum of Art - Style: Art Nouveau - @~ Mlle
OP says it's an Edwardian opal and diamond brooch (except that I think it's more art nouveau...it's still gorgeous though!)
STUNNING ART NOUVEAU SILVER ENAMEL CIGARETTE CASE
Paris art nouveau
Loetz Art Nouveau Irridescent Glass Vase with Juventa Pewter Mount