M-N M M A (Michael Anthony) Maison Gripoix Majorica Mali Mamselle Mandle, Urie and Robert Marboux Marcel Boucher Marcus & Co Marcy Feld Marena & Eros Maresco Margherita Burgener Margot de Taxco Maria Sparks (steampunk) Marie Claire Marina B Marino Mario Buzzanca (pearl jewelry) Mario Masenza Marion Godart Marius Hammer Mark Shields Marla Buck Marleen Marner (Julio Marsella) Marslieu Marvella Mary DeMarco Mary Kay Mary Lee Hu MASJ (Silver Scenes) Matisse Maxim Maxine Denker Max Neiger Max Standager Mazer brothers M. Buffet MB (Marjolein Bastin) McClelland Barclay Metal Speak Metzke Mexico MFA Michael Michaud Michaela Frey Michael Peuster Michal Golan Michele della Valle Michele Lynn Michelle Ong Mikimoto Milvern Co Mimi Di Niscemi (Mimi di N) Miracle Miriam Haskell MJ M Jent MMA Metropolitan Museum of art Moans Couture Moiseikin jewellery Monet Morita Gil Moschino bijoux Mosell Movitex Mr. John Ms Dee Murrle Bennett Museum Company Museum replicas MUSI MV Vellano MVH (Michaela von Habsburg) Mylu N Napier Nardi Natacha Brooks Natalia Polezhaeva Natori Natty Creations NB Nicky Butler Neiger brothers Nettie Rosenstein NGA (National Gallery of Arts) Nicole Barr Niels Erik From Nikolay Suslov Nina Ricci Nita Lustig NLH (Nat Landau Hyman) Nolan Miller Nordic Silver Co Norma Jean Norma Jewelry Corp Norman Bel Geddes Nuri