WHAT A GREAT FIND,,THIS CHARLES M ROBBINS STERLING TOP PIN,,KIND OF A PICTURE FRAME BUCKLE STYLE,,IT MEASURES AROUND 3 INCHES BY 2 INCHES APPROX,,AND WEIGHS AROUND 44.8 GRAMS,,IT HAS A LITTLE MISSING ENAMEL SPOT,,AND THE NEEDLE DOES NOT STAY UP ,,,STILL A VERY UNUSUAL PIN FOR ANY COLLECTOR,,,THANK FOR LOOKING