To purchase, please contact me. $100
This little thing is called a loop and is used to inspect printing dots on a 4 color run. This one belonged to my father who was a printer. It has a black metal base with a top part that swivels to view. It has been used hundreds of time and the box it is stored in is a sight in its self. For perspective, this is a miniature book that is 3"x 4".
My blog: http://claudiahammer.blogspot.comMy website: http://claudiahammer.com
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My email: iclaudiahammer@insightbb.com