We all had shoeboxes filled with cards that got lost. LOL
But take some comfort in this: the collecting of coins, stamps, cards, figurines, comic books are all DYING businesses. Kids today don't care about them. Values are declining as we grow old and die.
My case in point.
Back in the 1970s I desperately wanted a set of Zeppelin air mail stamps, the first air mail stamps from the 1930s. A mint set went for $25,000. Today it's $3,500.
Edited to add: oops price is lower than I thought. Under $2,000 now.