This is an elegant 1981 diamond 18k yellow gold platinum Paloma Picasso design pin by Tiffany & Co. The pin features "XXXOOO" which is an acronym for hugs and kisses. The Xs mean hugs and the Os mean kisses. One of the X is set with sparkling round cut diamonds that weigh approximately 0.39ct. The color of the diamonds is E with VS clarity. The pin measures 18.5mm by 68.5mm and weighs 13.5 grams. It is signed PT950 750 Paloma Picasso 1981 Tiffany & Co 750 .