Jean-Baptiste SAY (1767-1832) economist. L.A.S., Paris April 2 [1820]; 1page in-8. He instructs his correspondent to send a shipment to Geneva: "The largest box contains natural history objects that my son has brought back from Brazil and that he intends to send to the Museum of Natural History in Geneva. The smallest is a box of cologne for Madlle Rath". If it takes up too much space in his luggage, leave the larger box, "the Museum of Natural History can wait for another occasion"...