1923 16c dark blue, block of four, n.h., v.f., cat. $480 (Cat No. C5) (Image)

Cat. $480, Est.$150

1923 24c carmine, block of four, deep rich color, n.h., well centered, v.f., with 2001 PFC, cat. $560 (Cat No. C6) (Image)

Cat. $560, Est.$300

1927 Lindbergh, eight unexploded booklets, each with two panes, mostly well centered and fresh, fine-v.f. (catalogued as panes) cat. $1920 (Cat No. C10a) (Image)

Cat. $1920, Est.$700

1930 Zeppelin, 65c-$2.60, set of three, l.h., fine-v.f., with handstamped guarantee marks, cat. $1105 (Cat No. C13-15) (Image)

Cat. $1105, Est.$500

1930 65c green, left sheet margin single, n.h., v.f., with photocopy of a 2017 PFC for a block of four from which this originated, cat. $250 (Cat No. C13) (Image)

Cat. $250, Est.$150

1930 $2.60 blue, n.h., v.f., with 2017 PFC for a pair from which this originated, cat. $925 (Cat No. C15) (Image)

Cat. $925, Est.$350

1930 $2.60 blue, machine slogan cancel, v.f., with graded (VF 80) 2016 PFC, cat. $550 (Cat No. C15) (Image)

Cat. $550, Est.$350

1927 (10 Sep) U.S. Sea Post Office with "U.S.Navy Plane to U.S.S. Leviathan at Sea" cachet, return address of A.C.Roessler, some toning, stamps with small faults, otherwise fine (Image)

Est.$150

1939 (20 June) Pan-American Clipper flight, segmented cover with franking from USA, Hong Kong and France, appropriate markings, v.f. Trans-Pacific item (Image)

Est.$150