U.S. Commemorative Stamps: 1923-1930; #610 to 690

FVF LH 1928 150th anniversary of the Discovery of Hawaii, Overprint "Hawaii 1776-1926" Five-cent Blue

Fine LH 1928 150th anniversary of the Discovery of Hawaii, Overprint "Hawaii 1776-1926" Five-cent Blue

VF NH 1928 Aeronautics Conf. Two-Cent Wright Brothers

VF NH Set of two 1928 Aeronautics Conference.

FVF NH 1928 Aeronautics Conf. Two-Cent Wright Brothers

VF LH 1928 Aeronautics Conf. Two-Cent Wright Brothers

FVF LH 1928 Aeronautics Conf. Two-Cent Wright Brothers

VF NH 1928 Aeronautics Conf. Five-Cent Biplane and Globe

FVF NH 1928 Aeronautics Conf. Five-Cent Biplane and Globe

VF LH 1928 Aeronautics Conference Five-Cent Biplane and Globe

FVF LH 1928 Aeronautics Conference Five-Cent Biplane and Globe

VF NH 1929 George Rogers Clark Two-cent Red and Black

FVF NH 1929 George Rogers Clark

VF LH 1929 George Rogers Clark Two-cent Red and Black

FVF LH 1929 George Rogers Clark Two-cent Red and Black

VF NH 1929 two-cent Edison Light Bulb Flat Plate Perforation 11

FVF LH 1929 two-cent Edison Light Bulb Flate Plate Perforation 11

VF NH 1929 Edison Light Bulb Rotary Press Perforation 11x10.5

FVF LH 1929 Edison Light Bulb Rotary Press Perforation 11x10.5

VF NH 1929 Edison Light Bulb Rotary Press Horizontal Coil, Perf 10 vertically.

FVF NH 1929 Edison Light Bulb Rotary Press Horizontal Coil, Perf 10 vertically.

Fine NH 1929 Edison Light Bulb Rotary Press Horizontal Coil, Perf 10 vertically.

VF LH 1929 Edison Light Bulb Rotary Press Horizontal Coil, Perf 10 vertically.

FVF LH 1929 Edison Light Bulb Rotary Press Horizontal Coil, Perf 10 vertically.

VF NH Line Pair 1929 Edison Light Bulb Rotary Press Horizontal Coil Line Pair, Perf 10 vertically

FVF NH Line Pair 1929 Edison Light Bulb Rotary Press Horizontal Coil Line Pair, Perf 10 vertically

VF NH Pair 1929 Edison Light Bulb Rotary Press Horizontal Coil Pair, Perf 10 vertically

FVF NH Pair 1929 Edison Light Bulb Rotary Press Horizontal Coil Pair, Perf 10 vertically.

FVF LH Pair 1929 Edison Light Bulb Rotary Press Horizontal Coil Pair, Perf 10 vertically.

VF NH 1929 Sullivan Expedition

FVF NH 1929 Sullivan Expedition

VF LH 1929 Sullivan Expedition

VF NH Kansas Overprint Two-cent Washington

VF LH. Kansas Overprint Two-cent Washington.

VF NH 1929 Battle of Fallen Timbers

FVF NH 1929 Battle of Fallen Timbers