Please note that this applies only to the coat of arms definition (composition / description). The representation of a coat of arms is an artistic creation, subject as such to copyright laws.
Restriction of use - Legal notice:Most of the time, the usage of coats of arms is governed by legal restrictions, independent of the  status of the depiction shown here. A coat of arms represents its owner. Though it can be freely represented, it cannot be appropriated, or used in such a way as to create a confusion with or a prejudice to its owner. 

Usage on Commons:Please provide licence information for the coat of arm representation, information for the author of the picture, and the source if not self-made work.
Own work
AlbBurguete