Lot of 33. Each is 3.5x7”. Opens to 7x14”. Great lot covering many aspects of Brazilian products including: precious stones (diamonds), Brazil nuts, gold, lumber, copper, aluminum, cattle, vegetable oils, and the list goes on. See photos. Each has extensive text concerning each product. Graphic and colorful cover illustrations, some signed by the artist(Znora). Interior fold-outs show photo images pertaining to each product and back of each folder pictures detailed map of Brazil w/areas marked where each product is found/produced. Each is marked “Official Publication/New York World’s Fair 1939.” Folders show lt. aging, handling wear but all are Fine to VF. Difficult to obtain this many at once.