Unlawful speculation in claims against state consists of any public officer or public employee directly or indirectly buying, selling, bartering, dealing in or speculating in or with any certificate, warrant or other evidence of indebtedness issued by the state, a municipality or other political subdivision, unless such certificate, warrant or other evidence of indebtedness shall have been lawfully issued to such person in payment of his salary or in consideration for services rendered by such person for supplies furnished by him.
Whoever commits unlawful speculation in claims against state is guilty of a misdemeanor.