348. National products returning from foreign exhibitions, on presentation of the bill of lading or certificate proving their exportation from the Island and of satisfactory evidence attesting that such products have been presented and have been shipped to their point of departure. 349. Carriages, trained animals, portable theatres, panoramas, wax figures, and other similar objects for public entertainment, imported temporarily, provided bond be given. 350. Receptacles exported from Cuba with fruits, sugar, molasses, honey, and brandy, and reimported empty, including receptacles of galvanised iron intended for the exportation of alcohol. 351. Specimens and collections of mineralogy, botany, and zoology; also small models for public museums, schools, academies, and scientific and artistic corporations, on proof of their destination. 352. Used furniture of persons coming to settle in the Island. 353. Samples of felt, wall paper, and tissues, when they comply with the following conditions: (_a_) When they do not exceed 40 centimetres in length, measured in the warp or length of the piece, even when such samples have the entire width of the piece. The width shall, for tissues, be determined by the list, and for felts and wall paper by the narrow border which has not passed through the press. (_b_) Samples not having these indications shall only be admitted free of duty when they do not exceed 40 centimetres in any dimension. (_c_) In order to avoid abuse, the samples declared for free entry must have cuts at every 20 centimetres of their width, so as to render them unfit for any other purpose. 354. Samples of trimmings in small pieces, of no commercial value or possible application. 355. Archæological and numismatical objects for public museums, academies, and scientific and artistic corporations, on proof of their destination. 356. Works of fine art acquired by the Government, academies, or other official corporations, and intended for museums, galleries, or art schools, when due proof is given as to their destination. 357. Gold in bars, powder, or coined; also national silver or bronze coins. 358. Wearing apparel, toilet objects, and articles for personal use, bed and table linen, books, portable tools and instruments, theatrical costumes, jewels, and table services bearing evident trace of having been used, imported by travellers in their luggage in quantities proportionate to their class, profession, and position. 359. When travellers do not bring their baggage with them, the clearing of the same may be made by the conductor or persons authorised for the purpose, provided they prove, to the satisfaction of the customs, that the effects are intended for private use.