A Cartier watch Jacqueline Kennedy Onassis wore for years is being auctioned along with a watercolor she painted.
Christie's said Thursday that the then-first lady, who painted as a hobby, created the 6-inch by 8-inch artwork in 1963 as a gift for her brother-in law, Stanislaw Radziwill.
Radziwill gave her the watch.
Both commemorate a 50-mile hike that Radziwill undertook as part of President John F. Kennedy's physical fitness initiative. The first lady briefly joined the hike.
The painting depicts Radziwill walking with a Kennedy family friend.
The items are being offered as a single lot at a June 21 sale in New York. The presale estimate is $60,000 to $120,000.
The seller is anonymous. Part of the proceeds will benefit the National Endowment for the Arts.