The folks at S&H Green Stamps (link to related eBay auctions) published this cleverly named catalog to showcase all the wonderful stuff you could get in 1975, if only you had enough stamps. That avocado-colored grill on the cover likely required a mountain of stamps.
My mom had a few sheets of S&H Green Stamps lying around the house in 1975. I don't ever recall her actually getting any merchandise, though. The ubiquitous stamps seemed to gather dust in different drawers and shoe boxes.
S&H Green Stamps--another tidbit of lost Americana.