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. Powered by SixBit’s eCommerce Solution. The item “US 1861-69 24c used shade study complete with Steel gray #70b Cat $28,000″ is in sale since Friday, July 21, 2017. This item is in the category “Stamps\United States\Collections, Lots”. The seller is “bank-notes” and is located in Cardiff by the Sea, California. This item can be shipped worldwide.