Here is a sterling silver turtle pin of three-dimensional cast construction from 20th century master jeweler Guglielmo Cini. Cini, originally from Italy, came to the U.S. early in the century and worked as a jewelry designer and maker until mid-century. His daughter then took over. The mark is G. Cini Sterling. This pin has nice engraved detail of the head, claws, and shell. He measures 2" long, 1 1/2" wide, 1/4" thick, and he weighs 15.2 grams. This designer pin is in excellent original condition with a nice patina of age.