Model: MINHP05 Stoneware 110 ML Ravenclaw house crest Mini Mug HARRY POTTER Mug Mini Crest Ravenclaw. Harry Potter mini mug is sure to cast a magic spell over your morning brew. Features the Ravenclaw house crest, which stands for intelligence, creativity, learning and wit on the front and the Harry Potter logo on the back. This mug comes in a gift box. It is a great addition to any Harry Potter collection. A perfect gift choice for a true Harry Potter fan.