States that no fur, leather, or other by-product whether raw or in finished form, shall be shipped into interstate or foreign commerce if such fur, leather, or other by-products come from animals trapped in any state or nation where leg-hold, still jaw traps and devices are used. Prevents imports of such fur, leather or by-products. Establishes a fine of not more than $2000 for the first violation of this Act and provides for afine of not more than $5000 and imprisonment or not more than one to three years for subsequent offenses.