Authenticity of Art

Can an art work still be valuable if it is not original/ authentic (should it be?)?
An original artwork can be judged as more valuable than a forgery from an artistic point of view. All art works can be identified in light of the performance engaged with to create them. Thus understanding a work of art involves grasping in some way the achievement that the individual work represents. This leads to the origin of the art work; the artist and the context.
…