Looks like a marble reflector, to me.
<img src="http://www.treasurenet.com/forums/attachment.php?attachmentid=903824"/> <img src="http://www.treasurenet.com/forums/attachment.php?attachmentid=903826"/>
Looks like a marble reflector, to me.
I dug a buckle just like yours. Turned out to be a WW1 uniform buckle. Congrats on the finds.
Looks like a military buckle to me, I dug a similar one a few weeks ago at a field site