Allegria Designs Echidna Pin The pins are sculptured from silver plated pewter that has been oxidised and buffed to obtain a contemporary, antique look. They are so adorable, we know you will love them. Made in Sydney Australia All pins come in a gift box so make great presents for friends especially easy to mail overseas. Weight: 18 g in gift box. Fun fact: Did you know echidnas live for 50 years?