The Dremel shoe polisher dates to the 1970's and consistently sells at on line auctions for about 20 bucks. It's not from the 1950's and it's not worth $75.
"A well made rug has the same pattern on the back" ? No bearing whatsoever on the quality of a rug. The sewn on fringe of the rug in the video indicates machine production. Let the dog sleep on it. It's junk as a collectable.