What is this

[allison86]

I hit the jackpot today found some cool stuff dug this up at the park that was a army fort during the Civil War and it was also a old farm during the 1920s until the 1960s

 

[allison86]

Here's some more pictures

 

[ivan salis]

likely a knapsack keeper hook...

 

[vhs07]

Broken rifle sling loop?

 

[nhbenz]

Good ideas above, also has the general shape of some bail type drawer pulls, like #30 and 31 here: Robinson's Antique Hardware - Iron Bails
The size of those mint containers may not be universally known. I had to go into my wife's purse to figure it out... I sure hope I put things back where they belong.