Button help

[RFrady]

I have looked everywhere and cannot find any info on this button. Any help appreciated. Dug near officers quarters on an active installation.

I am referring to the gold-plated one on the right.

 

Amazon Forum Fav 👍

Upgraded Night Vision Monocular Digital Infrared Monocular Telescope for 100% Darkness with 8X Zoom - Grab it through Amazon!