I, ________, do hereby declare that I am the producer, seller, shipper or importer of certain works of art, namely ________ covered by the annexed invoice dated ________; that any sculptures or statuary included in that invoice are the original works or models or one of the first twelve castings, replicas, or reproductions made from the sculptor's original work or model; and that any etchings, engravings, woodcuts, lithographs, or prints made by other hand-transfer processes included in that invoice were printed by hand from hand-etched, hand-drawn, or hand-engraved plates, stones, or blocks.
19 C.F.R. §10.48