Did you get it right?
This bowling-league shelf shows old shoes, score cards, trophies, a team photo, and league paperwork. Two details are too modern.

The Answer
The correct answer is: The peel-off shoe-size sticker and the plastic bottle safety-seal loop are the two mistakes..
Here is why
- The trophies, old score sheet, league photo, and bowling shoes all fit the 1970s setting.
- Check the shoe and the trophy-ribbon area carefully.
- The sticker and safety-seal loop are modern material clues hiding among old bowling items.
Why people miss it
Bowling shelves are full of tags, score slips, and small loops, so the wrong items do not jump out until you compare the materials.
What answer did you get before checking?