Tiffany & Co sea anemone brooch crafted in 18k yellow gold. The sea anemone pin was created in the 1970’s. The diameter of the broach is 1 ½". The double pin makes the broach sit well on any piece of clothing. The piece is hallmarked Tiffany & Co. 750. The brooch weighs 23.7 grams. Also has hook fastening to be worn as a pendant. Amazing piece of estate jewelry.