(C2) 16¢ Curtis Jenny. NH, well balanced margins, centered VF. (Image)

(C5) 16¢ Air Service Emblem. NH, wide margins, centered VF. (Image)

(C13-C15) Complete NH set of the 1930 Zeppelins. Usual natural gum bends, C13 with three stamps with gum skips and a couple diagonal gum creases. All the values have light overall toning, centered F-VF. (Image)

(C13-C15) Compete mint og. Set of the 1930 Zeppelin airmails. All with hinge remnants, the C14 has a speck on the reverse. Centeted F-VF. (Image)

(C13) 65¢ Zeppelin. Unused top plate number single. Lightly hinged in the margins, the stamp is NH with natural gum bends and a couple gum skips. Fresh, centered VF. (Image)

(C13) 65¢ 1930 Zeppelin. Unused NH bottom plate number single. Natural gum bends and a couple gum skips. Bright, centered F-VF. (Image)

(C13) 65¢ 1930 Zeppelin. NH with a natural gum bend and an inclusion. Bright, centered Fine. (Image)

(C13) 65¢ Zeppelin airmail. OG, diagonal gum crease, bright, centered F-VF. (Image)

(C13) 65¢ Green Zeppelin. OG. glazed, nibbled perfs at top, centered near VF. (Image)

(C14) $1.30 1930 Zeppelin. Unused NH bottom plate number single. Natural gum bends and a couple gum skips. Good color, centered near VF. (Image)

(C14) $1.30 1930 Zeppelin. OG vlh, centered F-VF. (Image)

(C15) $2.60 1930 Zeppelin. Unused top plate number single. Couple of hinge remnants in the margin. The stamp is NH with natural gum bends and a gum skips. Rich color, centered Fine. (Image)

(C15) $2.60 Blue Zeppelin. OG. glazed, centered VF. (Image)

(C15) $2.60 1930 Zeppelin. OG vlh, bright centered VF. (Image)

(C15) $2.60 1930 Zeppelin issue. Used with a killer machine cancel. Sound centered F-VF. (Image)

(C18) 50¢ Century of Progress zeppelin issue. NH, 2008 PSE certificate (1177738) states, it is genuine unused, og., never hinged, grade XF-Sup 95, Mint OGnh.” (Image)