United States: Confederate States 1918, August Dietz facsimile Die Proofs, complete set of twe...

United States: Confederate States
1918, August Dietz facsimile Die Proofs,
complete set of twenty printed in advance for his famed 1929 publication "The Postal Service of the Confederate States of America", includes enlarged examples of every general Confederate issue, as well as a Liberty Head essay, in the original envelope (faulty) but uncommon as such, a useful research