Did you get it right?
This 1970s bus-station lost-and-found puzzle shows claim tags, a suitcase, umbrella stand, scarf, ticket stubs, and a clerk window. Two small details do not fit the period.

The Answer
The correct answer is: The plastic luggage-wheel insert under the suitcase and the hook-and-loop strap on the folded umbrella sleeve are the two mistakes..
Here is why
- The paper claim tags, ticket stubs, suitcase, scarf, and old counter all fit the bus-station scene.
- Check the travel gear instead of only reading the tags.
- The luggage-wheel insert and hook-and-loop umbrella strap are the modern material clues.
Why people miss it
Lost-and-found shelves are naturally cluttered, so straps, tags, wheels, and folded fabric can blend together.
What answer did you get before checking?