This Presidential Pardon signed by Abraham Lincoln was treated to stabilize it before digitization.
This Presidential Pardon signed by Abraham Lincoln was treated to stabilize it before digitization. The document had been stored folded at some point in the past, and was torn along these fold lines. Conservation staff gently flattened it under weight, then mended along the fold lines with Japanese paper and wheat starch paste. The pardon was then digitized. Finally, a custom portfolio housing was made to provide rigid support so the document can be safely stored flat. [RG 21 Abraham Lincoln pardon, Case 7000, General Case Files (LA), pardon of Charles Boland, June 18, 1863] -- source link
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