Thread: Photographic paper stock question. Please help
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Old 12-14-2017, 10:56 AM
steve B steve B is offline
Steve Birmingham
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Join Date: Sep 2009
Location: eastern Mass.
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Probably 70's -80's for the back printing
http://www.cycleback.com/photoguide/stamps.html

Another good reference
http://resources.conservation-us.org...16_Messier.pdf
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