Watercolor mounted to wooden board with excessive foxing

1910 charcoal portrait with surface damage from broken glass frame

1910 charcoal portrait with surface damage from broken glass frame

glass after.jpg

1917 watercolor mounted to wooden board adhered with hide glue

Graphite drawing with severe discoloration over the image

Graphite drawing with severe discoloration over the image

Color lithographs on cardstock mounted to a board

Color lithographs on cardstock mounted to a board

Bostrom after.jpg