846. No title against owner.

Title to property, being title created merely by the act of reducing a thing into possession, necessarily implies a reduction into possession effected by a lawful act. Such an act, if it constitutes a trespass, cannot create a title to property as against the previous possessor1. If the owner of chattels cannot be shown to have parted with his title to them, he must continue to be the owner and to have a title to the chattels superior to any that might be claimed by anyone else, including the finder or the person on whose property the chattels were