Old coin found, ad 270-273? need info and value

[NW Digger]

It has a card that tells a bit about it.
After a Google search etc I'm still clueless.
Anyone know anything about coins like this?

 

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[Silver Searcher]

You have everything you need on the folder.

SS

 

[Mackaydon]

R6018 -  The Gallo-Roman Empire, Tetricus I (A.D. 270-273), AE Antoninianus
Don.......

 

[NW Digger]

You have everything you need on the folder.

SS

Couldn't find anything but silly eBay listings of like items [emoji19]

 

[NW Digger]

R6018 - *The Gallo-Roman Empire, Tetricus I (A.D. 270-273), AE Antoninianus
Don.......

Thank you very much.