Silversurfer1111 wrote:
> 2 RING BULLET how old is it ?
For us to be able to answer your question with much certainty, you need to give us super-precise measurements (in hundredsths-of-an-inch) of your bullet's diameter and length. Also, tell us the number of rifling-marks (ridges) on it. Are there four, five, or six?
If I had to make a preliminary guess based just on your photos, with no measurements, I'd say it is a .42-caliber Wesson Rifle bullet, from the 1860s through 1880s.
Your button has a European crown on its front. Definitely not any kind of American button. It appears to be a World War One era German Army enlisted-man's uniform button. But there's a chance it might be a late-1800s British Army button. Please clean its face at least a little bit to show the crown's details better, and post additional photos ...also showing its back.