1968

Blue and red 6-cent U.S. postage stamp picturing children
Support Our Youth
6-cent U.S. postage stamp picturing Jacques Marquette and party in canoe
Father Jacques Marquette
6-cent U.S. postage stamp picturing frontier weapons and tools
Daniel Boone
Blue and black 6-cent U.S. postage stamp picturing wheel, power line tower, and barge
Arkansas River Navigation
Brown and black 6-cent U.S. postage stamp picturing horses and carriage
Cherokee Strip
65-cent U.S. postage stamp picturing ducks
Waterfowl Conservation
6-cent U.S. postage stamp picturing fields and farm
Illinois
Blue and red 6-cent U.S. postage stamp picturing outlines of North and South America
Hemisfair ’68
6-cent U.S. postage stamp picturing police officer and boy
Law & Order
Black and yellow orange 6-cent U.S. postage stamp picturing eagle weather vane
Register & Vote
6-cent U.S. postage stamp picturing Walt Disney
Walt Disney
Gray 6-cent U.S. postage stamp picturing statue of Leif Erikson
Leif Erikson
6-cent U.S. postage stamp picturing part of John Trumbull painting 'Battle of Bunker's Hill'
John Trumbull
6-cent U.S. postage stamp picturing Chief Joseph
Chief Joseph
6-cent U.S. postage stamp picturing Van Eyck's Madonna and child painting
Christmas
$1 U.S. postage stamp picturing eagle grasping 'Airlift' banner
Airlift

1968–71

6-cent U.S. postage stamp picturing American flag and White House
Flag & White House
8-cent U.S. postage stamp picturing American flag and White House
Flag & White House

1968 Historic Flags

Blue 6-cent U.S. postage stamp picturing Fort Moultrie flag
Fort Moultrie Flag
Blue and red 6-cent U.S. postage stamp picturing Fort McHenry flag
Ft. McHenry Flag
Blue and green 6-cent U.S. postage stamp picturing Washington's Cruisers flag
Washington’s Cruisers Flag
Blue and red 6-cent U.S. postage stamp picturing Bennington flag
Bennington Flag
Blue and yellow 6-cent U.S. postage stamp picturing Rhode Island flag
Rhode Island Flag
Blue and red 6-cent U.S. postage stamp picturing first 'Stars & Stripes' flag
First Stars & Stripes
6-cent U.S. postage stamp picturing Bunker Hill flag
Bunker Hill Flag
Blue and red 6-cent U.S. postage stamp picturing Grand Union flag
Grand Union Flag
6-cent U.S. postage stamp picturing Philadelphia Light Horse flag
Philadelphia Light Horse Flag
6-cent U.S. postage stamp picturing First Navy Jack flag
First Navy Jack

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