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Historical Manuscripts

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Inside Heritage

Hernán Cortés Letter Signed 'El Marqués'

Hernán Cortés Letter Signed "El Marqués"

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Sold for
$31,250
Albert Einstein Mathematical Formulas Related to his Unified Field Theory with Signed Poem on Verso

Albert Einstein Mathematical Formulas Related to his Unified Field Theory with Signed Poem on Verso

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Sold for
$27,500
Ulysses S. Grant Autograph Letter Signed to General William T. Sherman

Ulysses S. Grant Autograph Letter Signed to General William T. Sherman

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Sold for
$125,000
Paper Art Damage 101: Types of Deterioration and Improper Preservation
8.8.2017 Paper Art Damage 101: Types of Deterioration and Improper Preservation

Mat burn, foxing, UV exposure, grime- all of these are incredibly harmful to your art work on paper but they are also rather ambiguous terms sometimes. What exactly is mat burn, how do I protect my piece against it?

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