Mo. Rev. Stat. § 252.235
The sale, taking for sale or possession for sale of any species of fish or wildlife, or parts thereof, which shall include eggs, which have been taken or possessed in violation of the rules and regulations of the commission, is prohibited. Any person violating the provisions of this section shall be guilty of a class A misdemeanor for the first offense if the sale amounts to less than five hundred dollars. Any person violating the provisions of this section shall be guilty of a class E felony for the second and subsequent offense if the sale amounts to less than five hundred dollars. Any person violating the provisions of this section shall be guilty of a class D felony for the first and all subsequent offenses if the sale amounts to five hundred dollars or more. "Sale" means the exchange of an amount of money, other negotiable instruments, or property of value received by the person or persons selling the prohibited species. "Sale", for purposes of this section, shall also mean the intention to exchange an amount of money, other negotiable instruments or property of value for a prohibited species. For the purposes of this section "property" is defined by section 570.010 and value shall be ascertained as set forth in section 570.020.
§ 252.235, RSMo