§ 250. Exemption of exhibits at international exhibitions. No process of attachment, execution, sequestration, replevin, distress or any kind of seizure shall be served or levied upon articles, goods, wares, merchandise or property of any description while the same is enroute to or from, or while on exhibition or deposited by exhibitors at any international exhibition held under the auspices or supervision of the United States, within any city or county of this state, nor shall such property be subject to attachment, seizure, levy or sale, for any cause whatever, in the hands of the authorities of such exhibition or otherwise.