US 1861-69 24c used shade study complete with Steel gray #70b Cat $28,000
Incredible lot of 1861-69 shades of the 24c arranged on early hand-made album pages. Neatly written up by Lester G. Brookman some time during the early 20th century. Lovely reference material and a unique opportunity. The item “US 1861-69 24c … Continued