Over the years Topps has inserted various contest ad and premium cards and ephemera into their retail packs. Contest cards from the late 50's and premium offers (think Lucky Penny) from around 1957-60 are examples of these and for the most part are readily found. However a handful of these were issued on paper (I suspect to ride along with penny packs, although they could have been in any configuration used by Topps) and can be a bit harder to find. One such example is the circa 1960 premium offer hawking a Baseball Card Album:
These albums were also offered on the "wings" of wax packs from the era.
That pack ad makes me wonder of the paper inserts date to 1959 and the ad just continued the sales push.
They were really generic albums:
I've shown the album previously. A Trading Card Guild version may exist as well (although I am having trouble finding a scan) and I believe these albums were also offered in Canada.
The potential Trading Card Guild version stems from some 1956 cello pack "wing" ads like on this Elvis Presley cello pack:
Those would seem to be a sibling of the bespoke Jets album from 1956: