It's made of graphite and clay. Very stable . Archival. Safe. You
should sign the back of the print with it.
The only problems are from mechanical friction rubbing pencil lead
onto a print where you don't really want a grey smudge...
On Feb 13, 2006, at 6:10 PM, Jeffrey Thorns wrote:
When I cut overmats for my b&w prints, I end up with pencil-lead marks on the side of the overmat that touches the photographic print.
Does this pencil lead represent any archival danger to the print?
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