An 1890 Remington watercolor, a Jimi Hendrix collection and a Whistler etching. Guess the top find!

Journey to Charleston to learn about finds such as a 1890 Frederic Remington watercolor, a 1970 Jimi Hendrix collection and an 1879 James A.M. Whistler “The Palaces” etching. Which treasure is top find of the episode?