The School of the Fire Zouave, blue patriotic design showing fire fighter on cover bearing three 1¢ blue (63) singles, tied by blue "Chicago Ills Sep 27" cds duplexed with circular grid cancels to Dixon Ills; small flaws, F.-V.F., a rare fire fighting patriotic design. Estimate  $300 - 400. This design honors the U.S. Zouave Cadets of Chicago who were recruited heavily from fire departments. They saw action at First Bull Run (Manassas). $0 (Image)