ANTIQUES ROADSHOW is in Kansas City, Missouri, where host Mark L. Walberg joins appraiser Daile Kaplan at the Nelson-Atkins Museum of Art to learn about the photography of Dorothea Lange. Highlights include a 1955 Elvis Presley concert poster, with Presley billed at the bottom; an 1812 Marklin "Puritan" toy boat, used in the family pool and valued at $20,000; and a 1919 Leon Gaspard Portrait of Young Girl oil that was appraised for $10,000 in the 1960s is appraised at the ROADSHOW for $75,000.