Curious: Oldest dated artifact known. Book, coin or any item?

[newnan man]

I was wrong about my bottle of Crown. It wasn't 1985, it is 1982. So, definitely ancient.

 

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[Surf_Pirate]

Sharing my oldest artifacts. Here’s some oysters shells from an oyster rock around 10-12’ deep. About 200 yrds inland from a river shoreline. This was a jobsite dig in the 90’s…. We all took some home and called in a biologist who dated around 40,000 yrs old. I recently donated them to the local Marine aquarium.