Detective Comics 21 2.0 1,800
Superman 3 2.0 2,500
Superman 4 6.5 4,000
Superman 5 8.0 6,000
Superman 6 6.5 3,000
Superman 7 7.0 3,000
Superman 8 2.5 1,250
Superman 9 7.0 3,000
Superman 10 7.0 3,000
Superman 12 6.5 2,000
Superman 13 5.5 1,750
Superman 14 6.5 8,000
Superman 15 7.5 3,000
Superman 16 7.5 1,750
Captain Marvel Adventures nn 3.0 20,000
New York World's Fair 1939 2.5 5,000
New York World's Fair 1940 6.0 6,000
Books are here: https://www.comicsnw.com/store?sort=price_descending
Prices are firm at this time. No trades. Shipping to be determined at deal time, but close to actual. Insurance required.