This vintage 1950s red plastic viewer is marked CC-STL MFD U.S.A. The Slide Case is marked Made in Canada. With it are the following Series G slides No. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, and 17. Also included is Series H No. 3 and 4 and Series I No.1 and No. 14. Series AW No. V is also in the Case. One side has information about the slide in English and the other side in French. Most of the slides have a red base color. These are well used with stains, scratches and wear in good usable condition.