It still has a nice, bright, shiny gold tone and is a brass plated item. Although it is not hallmarked, the construction is sturdy and made with quality.
Including the bale it is 2 1/8" by 2 1/2" with a 3/8" depth, weighs a substantial 43.9 grams or 1.549 ounce and signed O.C. and 00, hallmark pic shown.
Working clasp. Gold tone accents. I am not a jeweler or an expert on jewelry.Also this item was previously owned and may show signs of normal wear. ~1 1/4" x ~2 1/8".