18K Gold and Diamond Brooch: Vintage Mayor's Ned Bowman Heavy 18 Karat Yellow Gold Greater Miami Opera Crown and Laurel Wreath Brooch. Signed and stamped 18K. Inscribed dedication to Mrs. Frosene Sonderling. Measures 2-1/4" diameter. Approx. weight: 59. 7 grams. Condition: Very good condition. Estimate: $2000. 00 - $2500....