Online Video Guide

Host Mark L. Walberg visits the Philadelphia shop and museum of appraiser Fred Oster to view his impressive collection of instruments and learn more about the city's long history as a center for musical instrument makers. At the Pennsylvania Convention Center, experts orchestrate a symphony of appraisals, including a very valuable Alexander Calder maquette (scale model) for a large sculpture commissioned for the 1958 Brussels Worlds Fair, a stunning collection of Camera Work magazines, published in the early twentieth century by renowned American photographer Alfred Stieglitz to promote the idea of photography as art, and a very rare handcrafted chair by master Arts and Crafts furniture maker Charles Rohlf, passed down from the owner's grandparents and estimated to be worth $80,000 to $120,000.