Cat Jewelry Set. Pewter Cat Jewelry Box with Cat Post Earrings Pin Necklace - This small cat-shaped pewter box carries 2 tiny cat face post earrings in the top. The top is actually a pin (bar pin on the back) measuring 1 1/2" x 1". The earrings measure 1/8". Inside is a matching necklace with a 16" silvertone chain and 1/8" cat pendant. Boxed. Hand Cast - Lead Free - Made in Canada.