This piece has Antonio Castillo's TA-01 mark, and is also marked Los Castillo. It has 4 loops and another clasp in back. It appears it may have had multiple chains holding it originally and perhaps opened and closed at the hook.
It's 1 1/2 by 1 5/16 inches and weighs 11 grams. It's in excellent vintage condition. If you need signature confirmation please let me know. Please wait for the final invoice to receive your discount. I will note all condition problems I detect. Please pay close attention to dimensions, as photographs will not give you a good idea of scale - they ...