Cal. ELEC § 18400

A person who makes, uses, keeps, or furnishes to others, paper or cards watermarked or overprinted in imitation of ballot paper or ballot cards is punishable by a fine not exceeding one thousand dollars ($1,000), or by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code for 16 months, two or three years, or by both that fine and imprisonment.