Help on identifying and dating button

[Jarod84]

Hello, I was wondering if anyone could give me a date and any information on this button? Nickel in the picture is for size comparison. Thank you.

 

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[nhbenz]

Pretty close to the one discussed in the thread below, enough so that I think the date is likely very close:
http://www.treasurenet.com/forums/what/238859-e-pluribus-unum-political-button.html