Vintage circa 1960s Ajax with En-Jax Action soap powder free sample box. These were given away as free samples, sometimes in the mail back in the day. Includes original advertising flyer and printed bag that it would have came in. The flyer features some great dirt/germ monster creature artwork. Box contains 20oz and has never been opened. Measures about 6”x9”. Has some light creasing on box.
eBay