M – N M Maison Gripoix Mamselle Mandle, Urie and Robert Marboux Marcel Boucher Marcus & Co Marcy Feld Marena & Eros Maria Sparks (steampunk) Marina B Marino Mario Buzzanca (pearl jewelry) Marion Godart Marius Hammer Mark Shields Marleen Marner (Julio Marsella) Marslieu Marvella Matisse Max Neiger Max Standager Maxine Denker Mazer brothers MB (Marjolein Bastin) McClelland Barclay Metal Speak Metropolitan Museum of art (MMA) Metzke Mexico MFA Michael Michaud Michael Peuster Michal Golan Michele della Valle Michele Lynn Michelle Ong Mikimoto Milvern Co Mimi Di Niscemi (Mimi di N) Miracle Miriam Haskell Moiseikin jewellery MJ M Jent Moans Couture Monet Moschino bijoux Mosell Mr. John Murrle Bennett Museum Company MV Vellano Mylu N Napier Natalia Polezhaeva Natori Natty Creations Neiger brothers Nettie Rosenstein NGA (National Gallery of Arts) Nicole Barr Nikolay Suslov Nina Ricci NLH (Nat Landau Hyman) Nolan Miller Nordic Silver Co Norma Jean Norma Jewelry Corp Norman Bel Geddes