A photo signed by the entire cast of the hit TV series “Bonanza”; a sterling silver Tiffany vase; and a collection of etchings and dry points by James McNeill Whistler.

As ANTIQUES ROADSHOW arrives in Orlando, Florida, host Mark L. Walberg and appraiser Arlie Sulka venture to neighboring Winter Park and the Charles Hosmer Morse Museum of American Art, home to a breathtaking collection of works by Louis Comfort Tiffany. At the Orange County Convention Center, ROADSHOW experts uncover a new cache of treasures, including a rare photo signed by the entire cast of the hit TV series "Bonanza"; a beautiful sterling silver Tiffany vase; and a stunning collection of scarce and delicate etchings and dry points by James McNeill Whistler, with a combined value of $130,000 to $190,000.