Harry Potter & TDHP-2
A flag for Ravenclaw makes an appearance in the last Harry Potter film - Harry Potter and the Deathly Hallows II - 2011. It appears during a psychic flash when Harry falls into the water after riding a dragon that guards treasures at the Goblin Bank.
The flag features the livery of house of Ravenclaw on a heraldic shield. Upon the shield is a standing raven facing sinister with wings spread pride. In the the helm is crested with a white eagle head with mantling - blue and white. Along the compartment is the name of the house - 'Ravenclaw.'