civil war and rev war

Hello, I bought a box of five of these "cannonballs" from an estate that had a number of civil war items. So, I'm hoping that they are indeed civil war cannonballs. They weight 3 pounds 10.9 ounces and measure 9-5/8 inches around the center. I'm attaching some pictures. Is there any more...

Can anyone please identify this item, brass with Pewter rivets and washers. Stamped scroll work. From a military site.

Sheet brass or copper from a site occupied by military from 1810-1817. I have found several of these. What are they?

Found on a site occupied by military from 1810-1817. Appears to be pewter. No markings.

Item is pewter, and as you can see, very small. I can see an Eagle and “RR”? in a circle beneath the eagle. Please suggest a type out of Albert’s book.

From a site occupied by military forces from 1810-1817. Item appears to be brass, but may be pewter. Note pin on the back. No other markings.

From a site occupied from 1810-1817, and later, but with no Civil War history. This item is iron. Please provide purpose and time period.

Go to Facebook and type in FORGOTTEN BOOKS for the Metal Detectorists; FORGOTTEN BOOKS for the Metal Detectorists, part 2 and for West of the Mississippi: FORGOTTEN BOOKS for the Metal Detectorists, West. For the Civil War relic hunters: Civil War Regiment Book group. There are 1,000's of books...

Hey yal, Ive always been alil bit of a history buff. The other day i picked up a Garrett ace 350 and wanna try it out. I'm In Chesapeake VA and have plenty of beach to comb. However i would love to find some relics (Civil War, Revolution, Ect.) do any of yal know of any good websites that have...