Vintage gaf Pana-vue 2 slide viewer

Pana-Vue View Master Automatic Lighted 2x2 Slide Viewer, 35mm Made in USA EUC. Price tag on box says viewer was purchased at Two Guys store in June 1977 for $3.29! Provides brilliant magnification of 35mm, 126 cartridge and Super Slides. In original box with directions included. Can be handheld or on a table with the built-in stand. Some wear and tear on the box, especially on the top flap but viewer and directions are in excellent condition given the age!!