Airmail, 1915 (Sept. 13-17) State Fair Grounds Aviation Meet, Milwaukee, Wis. Clear purple postmark ties a 1¢ Washington-Franklin on a multicolor view post card, addressed to Bloomington, Ill.; manuscript "by areoplane Sept. 16-15", Very Fine. AAMC No. 89c. Estimate  $75 - 100. $0 (Image)