More to read on:
https://northeastnews.net/pages/remember-this-trading-stamps/

" Commonly called “trading stamps,” merchants across America offered savings stamps based on the amount of the customer’s purchase. The more one purchased, the more stamps were obtained for the cash transaction.

Stamps were pasted into savings books and when full, could be redeemed at a redemption center chock-full of name brand items, from household goods to appliances, home decor and toys. Depending on the merchant, the stamps offered could be Gold Bond, S&H Green Stamps, or Top Value, among others. "

I think, it work like royalty promotion, isn't it ? Can someone enlightening me on this stuff.

Perhaps it is not like food/fuel/clothes stamps in the Soviet ?!

It is 40% nicotine concentrate.

This is ads about lye (https://en.wikipedia.org/wiki/Lye), an stuff that help you make soap. So, back in those day, people make soap at home to save cost, not because they want 'homemade' soap.

"Grease" in the ads was fat from animal. People have ton of those because they live in the farm. Grease is one of by-product of butchering animal. The 'lye' is something that help turn grease into helpful stuff (soap) and save cost.

Good old Phone ads.

So much information, and a comic.

https://en.wikipedia.org/wiki/Dictation_machine

https://en.wikipedia.org/wiki/Dictaphone

This is a phone with voice recorder.

Deploy it on your yard, and enjoy waterpark at home. ... Well, if only you have yard, or backyard.

Too bad, you live in a rented 20m2 apartment.