Internet Users Discovered Something Mysterious But Found The Answer Thanks To Random People

[jeff of pa]

 

[Blackfoot58]

Neat assortment of things. I was stumped by several/most of them. Thanks for posting.👍🏼

 

[jeff of pa]

Yea the Book markers Surprised me among other things .
I knew Book Markers were made of metal in the past.
But those didn't look like what I'd have thought