Reveriano Castillo designed this fun loving brooch / pin. It has a dark, rusty, red, carnelian stone and the head is 1.75in. long. The weight is 27 grams and the entire length is 6in. A unique pin on the tail lets you move him into any shape you wish to help him inch his way around. This published book piece is in perfect condition and is a most endearing piece of vintage Mexican silver.