MEMORABILIA OF AVIATOR DIEUDONNE COSTES A Waterman fountain pen made of ebonite and gold, hallmarked 785 and bearing the S&S silversmith’s mark. It is engraved with the name Dieudonné Costes and “Souvenir from Robert Dreyfus, Mexico, January 29–February 4, 1928.” Length: 11.3 cm Gold nib. Gross weight: 23.6 g Made in England. Circa 1928. History: Following their first crossing of the South Atlantic (1927), Dieudonné COSTES and Joseph LE BRIX, on tour in South America as part of their round-the-world journey, traveled between Guatemala and Mexico City—a distance of 1,080 kilometers. They arrived on January 29, 1928. After celebrations and tributes—including the presentation of our pen—they set off again, traveling from Mexico City to New Orleans (United States), covering 1,580 kilometers.