The old pirate symbol has become a favorite with many secret societies. especially in Ivy League schools. Silver plated brass. Ø17mm. The brand Skultuna was founded in 1607 by King Charles IX of Sweden as a brass foundry. Today, Skultuna is one of the oldest companies in the world and still purveyor to the Swedish royal family. For over 400 years. Skultuna has been producing products of the highest quality for everyday use and for special occasions. Colour: Red/White Material: 316L Steel Silver Plated Dimensions: Ø1.7 cm