1875 1c-90c Atlanta trial color plate proofs on card, complete set of 78 (not including the newly listed, unique 90c color combination), all with large margins and fresh colors, v.f. A beautiful set of trial color proofs (prepared for display at the 1881 International Cotton Exposition in Atlanta, only one sheet of 100 of each value/color was printed), very few intact sets have been kept together, cat. $24900 (Cat No. 123/132TC4) (Image)

Cat. $24900, Est.US$15,000