Cal. Penal Code § 535

Every person who obtains any money or property from another, or obtains the signature of another to any written instrument, the false making of which would be forgery, by means of any false or fraudulent sale of property or pretended property, by auction, or by any of the practices known as mock auctions, is punishable by imprisonment in a county jail not exceeding one year, or by imprisonment pursuant to subdivision (h) of Section 1170, or by a fine not exceeding two thousand dollars ($2,000), or by both that fine and imprisonment, and, in addition, is disqualified for a period of three years from acting as an auctioneer in this state.