1918-23 6c-24c complete set of six, l.h. or h.r., well centered, v.f. (last one with 2009 PSE certificate graded "XF-Sup 95") cat. $322 (Cat No. C1-6) (Image)

Cat. $322, Est.$150

1930 Zeppelin, 65c-$2.30, set of three, 65c and $1.30 with plate numbers, small h.r., $2.60 n.h., natural paper inclusion, fine-v.f. (with photocopy of a 2015 PFC from which it originated) cat. $1455 (Cat No. C13-15) (Image)

Cat. $1455, Est.$600

1930 Zeppelin, 65c-$2.30, set of three, small h.r., fine-v.f., cat. $1105 (Cat No. C13-15) (Image)

Cat. $1105, Est.$500

1930 Zeppelin, 65c-$2.60, set of three, n.h., each with 2008 PSE certificate graded "XF 90" (SMQ $2,650) (Cat No. C13-15) (Image)

Est.$1,000

1930 Zeppelin, 65c-$2.30, set of three, n.h., 65c with some gum skips, fine-v.f., cat. $1725 (Cat No. C13-15) (Image)

Cat. $1725, Est.$700

1930 Zeppelin, 65c-$2.30, set of three, n.h., 65c with sheet margin at bottom, natural inclusion, otherwise fine-v.f., cat. $1725 (Cat No. C13-15) (Image)

Cat. $1725, Est.$700

1930 Zeppelin, 65c-$2.60, set of three, n.h., few gum wrinkles and inclusions, fine-v.f., cat. $1725 (Cat No. C13-15) (Image)

Cat. $1725, Est.$700

1930 65c green, left margin single, n.h., nicely centered, natural gum bend, still v.f., with photocopy of a 2017 PFC for a block of four from which it originated, cat. $250 (Cat No. C13) (Image)

Cat. $250, Est.$150

1930 $2.60 blue, barest trace of a hinge, near perfect centering, with 2005 PSE certificate graded "XF-Sup 95" (SMQ $725) (Cat No. C15) (Image)

Est.$500

1933 50c green, bottom margin Plate No. Block of six, n.h., fine-v.f. (Cat No. C18) (Image)

Est.$150

1933 50c green, bottom margin Plate No. Block of six, n.h., v.f. (Cat No. C18) (Image)

Est.$250