Authenticate your bottles

As of the 2013 vintage, all the different size of bottles of Châteaux Langoa and Léoville Barton are equipped with a security system to check their authenticity and prevent conterfeiting. This innovative technology is embodied in a unique and non-forgeable seal, glued on the capsule and the bottle.
To identify your bottle and to have access to information about the vintage, please enter the code inscribed on the seal: :