A similar design was adopted by the United States, although U.S. Consul General in Algiers Richard O'Brien pointed out the document should be on thicker paper (or parchment) and kept in a tin container so as to ensure a better match between tops and bottoms (he also suggested that ships fly the American flag rather than the flags of individual states).
The United States followed a similar design, although U.S. Consul General Richard O'Brien in Algiers suggested that the document be printed on heavier paper or vellum and kept in a metal container to ensure better matching between the top and bottom pages (he also advised ships to fly the American flag rather than those of individual states).