I can’t say with absolute certainty that my mother threw out my baseball cards, but I can’t imagine what else might have happened to them. Same with all my Batman cards from the 1960s, as well as my beloved Planet of the Apes cards (from the original movie, not the set from the TV series — by the time those came out, I was more in charge of my own stuff, and I still have them).
I can’t say with absolute certainty that my mother threw out my baseball cards, but I can’t imagine what else might have happened to them. Same with all my Batman cards from the 1960s, as well as my beloved Planet of the Apes cards (from the original movie, not the set from the TV series — by the time those came out, I was more in charge of my own stuff, and I still have them).