PORTFOLIO: Audubon's American Black or Silver Fox, 1845-1849

After treatment image: The lithograph was carefully washed on a vacuum suction table to reduce acidity and discoloration. Additional treatment steps included the appication of a conservation-grade bleach to further reduce the discoloration. Unfortunately, the discoloration was impossible to completely reduce wtihout damaging the paper and delicate watercolors.
Audubon's American Black or Silver Fox, 1845-1849

After treatment image: The lithograph was carefully washed on a vacuum suction table to reduce acidity and discoloration. Additional treatment steps included the appication of a conservation-grade bleach to further reduce the discoloration. Unfortunately, the discoloration was impossible to completely reduce wtihout damaging the paper and delicate watercolors.