Taffeta coat with mutton sleeves and pleated train, about $6,000, over a Chantilly lace slip dress, about $2,000, both by Claire Pettibone. Crystal- and-pearl tiara, $1,188, by Debra Moreland for Paris, 513-542-8345. 14K gold–and–natural pearl drop earrings, price upon request, from Melody NYC, 212-758-3164. Gold necklace with cameo locket, $600, from Carole Tanenbaum Vintage Collection, 416-782-3005. Silk satin shoes, $299, by Peter Fox.