Good grief. Back in my day, people used to Mark X in sharpies on the top of the card decks so when they (ineluctably) got dropped it'd be easier to re-assemble.

Good grief. Back in my day, people used to Mark X in sharpies on the top of the card decks so when they (ineluctably) got dropped it'd be easier to re-assemble. You kids didn't know how lucky you were.