bill of sale

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A document that attests a transfer of the ownership of personal property.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A formal instrument for the conveyance or transfer of goods and chattels.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a deed transferring personal property