Brig Posted August 11, 2012 Share #1 Posted August 11, 2012 Recently came into some old paperwork I would love to frame in an antique frame. What date at the latest is it safe to purchase that pre-dates the use of acid base materials? Link to comment Share on other sites More sharing options...
Bluehawk Posted August 11, 2012 Share #2 Posted August 11, 2012 Recently came into some old paperwork I would love to frame in an antique frame. What date at the latest is it safe to purchase that pre-dates the use of acid base materials? I could answer that if I understood the question... Are you talking about the old paperwork dates? The framing/matting materials? Or, the earliest use of acid-free materials. What I'm getting at is that there IS no date that pre-dates the use of acid base materials. Link to comment Share on other sites More sharing options...
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