This pewter lapel pin series features the many house crests (each sold separately), including Hogwarts, House Gryffindor, House Hufflepuff, House Ravenclaw, and House Slytherin. Each pin measures approximately 1-inch in diameter. Monogram presents a new pewter lapel pin assortment from the magical world of Harry Potter! This pewter lapel pin series features the many house crests (each sold separately), including Hogwarts, House Gryffindor, House Hufflepuff, House Ravenclaw, and House Slytherin. Each pin measures approximately 1-inch in diameter. Officially licensed, collect them all!