Rhodium over genuine brass, Hand-painted French enamel, Meticulously handcrafted in the USA is 1 and 1/2-inches long & 1 and 1/4-inches wide, Available in a 18-inch chain with 3"extender, Package includes: Necklace Image of complete painting with provenance - Artist self portrait with bio - Certificate of Authenticity from Van Gogh Museum.