Watch Fob That Belonged to Aaron Burr Published on August 23, 2017 in Art Relating to the DuelFull resolution (483 × 248) ← Previous Maker unknown. Watch fob that belonged to Aaron Burr, ca. 1830; washed gold and topaz. Half circle with the gold encircled topaz suspended in it and turns freely; 2 x 1 3/8 in.; Fenimore Art Museum, Cooperstown, N.Y.