Vintage enamel and copper pin/brooch by Matisse in the very rare style called "Geo" features a modernist geometric hexagonal base with six large copper bead accents wrapped around the edges. Stunning enamel work features translucent tawny golden enamel generously sprinkled with copper shavings; glass pieces add texture to this fabulous piece of wearable art. Book piece, featured on page 98 of Burkholz and Kaplan's book "Copper Art Jewelry: A Different Lustre" 

Very good vintage condition with the exception of the missing clasp portion of the pin (needs a new clasp soldered on to the back), no enamel issues, light vintage wear on the back. Measures 2 1/4 to 2 1/2" in diameter (58 to 65 mm) and weighs a substantial 41 grams (1.43 ounces); signed "(c)Matisse" (1954-1964)