Colt T-12 Pen Gun ( lemmy.world )
https://www.rockislandauction.com/detail/78/3511/colt-t12-espionage-pen-gun-in-12mm-with-wooden-storage-box
![](https://mbin.grits.dev/media/cache/resolve/entry_thumb/1e/b7/1eb7251cc314913b96e9f90364c22ddc6113ff3e3c7e667508fb5df7072cd5d6.jpg)
https://www.rockislandauction.com/detail/78/3511/colt-t12-espionage-pen-gun-in-12mm-with-wooden-storage-box