1904 Cupples Louisiana Purchase Exposition Postcards. A wonderful balance lot of one binder full of better mint sets & singles of Expo. Cards manufactured by Samuel Cupples, included is numerous "Hold to Light" cards including six Jumbo Hold to Light cards (4 different), some used cards present, overall condition is well above average with many pristine cards, Very Fine. Estimate  $1,000 - 1,500. $0 (Image)