Legends of Hogwarts Foundables on this Registry Page 11 Young Harry Potter Rarity: 4 out of 16 15 Half-Blood Prince's Copy of Advanced Potion Making Rarity: 6 out of 16 8 Professor Snape Rarity: 3 out of 16 8 Sirius Black Rarity: 3 out of 16 1 Hedwig Rarity: 1 out of 16