1980 Baseball/Football combo packs question

PROMETHIUS88

I recall in a group rip a few years back we purchased some Topps cello packs that had half baseball and half football. I can't remember, but I think it was 1980. Which brings me to my question today. I have a pack of 1980 Topps that I purchased as a mixed pack. It is a baseball wax pack but I can see Bennie Cunningham(football) on the reverse. I can't find any info on the wax packs being mixed and only found one of the cello slabbed in the PSA pop report. Any of you experts able to help me out? Thanks! Tim