SEC. 56. If any person or persons shall be found guilty of selling or disposing of any arms, accoutrements or any camp equipage belonging to the State of Kansas, every person so offending or being guilty of such act, shall forfeit and pay over, for every musket, sword, sabre, pistol, cannon or other article belonging to the war department of this State, double the contract price for such article, as estimated at or by the ordnance department at Washington, with costs of suit; or, if any person shall be found guilty of holding or secreting, hiding or detaining, or refusing to give up or deliver any of the arms or camp equipage aforesaid, shall pay double the contract price with costs of suit; Provided, That any and all persons who have a legal right to hold or keep any of the articles named in this section, shall not be liable by this act. Persons claiming to have a legal right to bold any of the articles named in this section, on demand of the proper officer, shall show a written authority signed by the quarter master general or commandants of divisions, brigades, regiments, squadrons or battalions; all penalties collected under this section to be collected as provided in this act.