Development of the banknote began in the Tang Dynasty during the 7th century, with local issues of paper currency, although true paper money did not appear until the 11th century, during the Song Dynasty.
A contract typically does not have to be notarized. A notary public (or simply notary) provides an acknowledgment that the signature appearing on the document is that of the person whose signature it purports to be. There is a requirement that some documents be notarized, such as a real property deed.
Re: Fee Simple Deed Form. A fee simple deed for may be special warranty or general warranty. They contain promises that the seller will defend the title of the buyer against claims that the seller previously gave an interest or permitted another person to get an interest in the property.