Quote Originally Posted by mattscrapmetalinc View Post
Here is a set of 12 Pr crystals here is the list of numbers on them
8410
3839
7167
7181
7151
7231
7184
3852
3543
3950
3836
3901
http://i1284.photobucket.com/albums/...psaf939d93.jpg here is an image if anyone knows what these are and the value if any in scrap please let me know thanks