Lea Stein Signed Polly Parrot Brooch. Figural Polly Parrot Brooch signed by Lea Stein of Paris. One of the older designs and not as common as some of her other figural brooches. Like new condition. Approximate measurements are 4 1/2 inches long by 1 inches wide. Made of cellulose acetate. If you are looking for colorful piece of statement jewelry this brooch is for you or for that special friend who loves color.