Why do artists do not sign their work?

[Amateur]

Сообщение от K-Maler

but when it did not become a signature put other.

But it is already - barbarism against the need to protest this, although it is not damage, but damage to works of art. Even if you correctly identified the author, then do a paper application, where available and reasonably convincingly explained to all their arguments, and not a substitute for the author. It is understandable why it is done. Although the "Not For Sale inspiration," but signed "manuscript" can be resold noticeably more expensive.

By the way, at some online auction saw: "picture of the artist (forgot name), fitted with a fake signature of N. Sheluto." And laughter, and sin.