Harry Potter Marauder's Pin I SOLEMNLY SWEAR... A cute collectible enamel pin for the HARRY POTTER FAN! COPPER pin with black enamel that reads "I SOLEMNLY SWEAR THAT I'M UP TO NO GOOD" Remember this is the spell you need to say to see the Marauder's Map! This is a high quality pin made of COPPER! Butterfly clasp Enamel pins are collectible and make great gifts!!! Put on jackets, backpacks, hats, scarves. Bundle with other pins in my closet for a great offer & save on shipping!