1918 6c orange, sheet of 100, n.h., upper left stamp defective, two others with small thins, marginal fault at top, away from the plate block, slight oxidation at top of the two arrow stamps, otherwise fresh color and many exceptionally well centered stamps (catalogued as singles) cat. $11000 (Cat No. C1) (Image)

Cat. $11000, Est.$3,000

1918 16c green, sheet of 100, n.h., fresh, many exceptionally well centered stamps, fine-v.f. and scarce sheet (catalogued as singles) cat. $12000 (Cat No. C2) (Image)

Cat. $12000, Est.$5,000

1918 24c carmine rose & blue, sheet of 100, selvage trimmed at bottom, four stamps hinged (three at left, one at top), balance n.h., fresh, generally fine, scarce sheet (catalogued as singles) cat. $13000 (Cat No. C3) (Image)

Cat. $13000, Est.$2,500

1923 8c green, sheet of 100, n.h., some perf. strengthening along the edges at right, last stamp nicked at bottom, others well centered, many v.f. or better (catalogued as singles) cat. $3500 (Cat No. C4) (Image)

Cat. $3500, Est.$1,000

1923 16c dark blue, sheet of 100, n.h., fresh and mostly well centered, fine-v.f., rare intact sheet in excellent condition (catalogued as singles) cat. $12000 (Cat No. C5) (Image)

Cat. $12000, Est.$5,000

1923 24c carmine, sheet of 100, n.h., fresh and mostly well centered, fine-v.f., rare intact sheet in excellent condition (catalogued as singles) cat. $13000 (Cat No. C6) (Image)

Cat. $13000, Est.$5,000

1930 Zeppelin Issue 65c-$2.60 sheets of 50, well centered, mostly n.h., each sheet with a couple of thin spots, l.h. in margins away from the stamps, few hinge reinforced and occasional perf. telescoping, fresh and mostly v.f. set of Zeppelin sheets (Cat No. C13-15) (Image)

Est.$100,000

1933 Century of Progress, 50c green, sheet of 50, n.h., well centered, fresh and fine-v.f., cat. $4125 (Cat No. C18) (Image)

Cat. $4125, Est.$1,000