Need a ID on some C.W battlefield finds

[Ifoundit69]

I have seen one of these buckles like this posted before but cant place it ,it measures 2.5 inches square , to me I was thinking along the lines of a confederate tongue buckle but not sure because most ive seen have a solid bar in the middle this one has small holes in the side for a pin center peice , and the other items not sure as well what there are . All where found at a C.W battle site .

THANKS FOR ANY HELP ON ID'ing these items ...

 

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[TheCannonballGuy]

1st photo:
Item is definitely a Colonial era civilian shoebuckle.

2nd photo:
Item at top is a sideplate washer from an Enfield rifle (a British-made import, used by both US and CS armies).
Item at upper right appears to be half of the broken-off lip of an artillery shell fuze, specifically a Schenkl Percussion fuze (strictly yankee-made).
Item at center: uncertain, several possibilities, need more photos, and measurement.
Item at bottom is the brass finial from a soldier's Percussion-cap Box. Yours could be either US or CS-made.

 

[Ifoundit69]

Hey thanks for the ID cannonball guy definitly appreciated !