Ghost town gold

[Icewing]

I've been hunting this old ghost town just across the state line and today I found this pin. It reads The University of Minnesota on the front and is stamped "Solid Gold" on the back. My questions are; How old is it? And what Karat is "Solid Gold"?

 

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[tamrock]

Most the little label pins I've picked up like yours are 10K gold. Sweet find.

 

[Icewing]

Acid testing confirms it's at least 14k, I still don't know it's age.

 

[DCMatt]

I didn't find your exact pin but a few similar were listed from the late 40's to the mid 60's. Many simply said "vintage" which to me means not older than I am or post WWII.

DCMatt