close-up detail gives you a good view of Abraham Lincoln's
signature. Note the old
pressure-sensitive tape repair and blotchy staining.
The letter is torn at both horizontal folds.
Previous mends were made with an unidentified adhesive and blue-lined
paper. Smudges of a brown colored adhesive are scattered on the letter.
The inks appear to be well-adhered to the paper. The
iron gall ink may originally have been
Object Condition Summary:
The most drastic problem is the attachment of the
paper to glass with an unidentified adhesive. Tests showed that it was
protein-based glue. The glue and old mends are not of conservation quality
and should be removed.