Antique Art Nouveau William B. Kerr sterling silver and guilloche enamel corsage pin. pnvc780

Antique Art Nouveau William B. Kerr silver and enamel corsage sterling silver and violet guilloche enamel corsage pin. Enamel is excellent but for one tiny chip visible under a loupe 3-1/2" x 3/8". Has the William B Kerr ax hallmark and is stamped STERLING and 4119