Unique(Latin unus one, a single) is the uniqueness of an object, such as a document, painting or photography.
In crafts and art in general, almost all started by people made ​​products are unique. A singularity arises often alone by small interference in the art, the man can not perform the same degree uniformly like a machine. The term emphasizes unique compared to a mass-produced the feature and the increased value of the individual, which is produced by skill or chance. In this sense, the manually executed reproduction of a work of art, such as an old masterpiece, represent unique insofar as it concerns the Afterimage of an original work of art that never can be a wholly-owned copy of the same.