When I was a child, Peanuts had not endorsed many products. (Licensing, yes, but Charles Schulz was very particular about design and production, and demanded quality.)
Back in the day, Peanuts had endorsed:
but not much else. Today? Who can say?
Hmmm... I was thinking I should have grabbed this for eBay, and a search online discovered the actual source of the above packaging. I'll have to keep an eye out for the "Great Pumpkin" carton next Fall!