I suspect this was a 1949 publication as it came with a bunch of Certificates that expired in 1950. It's an 8 page accordion style flyer, although I have gone with a four page presentation here.
Can you say "whitebread?!" The eagle eyed among you will note the presence of the original Bazooka Joe on the left front corner of the box:
You would have to sell a lot of Topps product to obtain a toaster and there were so many products available not all could be illustrated:
With one half certificate per box, and say 24 boxes per case, you would need to sell 180 cartons of Topps products to get the typewriter-yikes!
Considering how extensive the retailer certificate program was and how thin profit margins often were, it's amazing Topps was able to make any money but indeed they did.