1971-1980
- 1971 Wool Industry Anniversary 6c Multicolored
- 1971 General Douglas MacArthur 6c Black, Red, and Dark Blue
- 1971 Blood Donation 6c Blue, Scarlet, and Indigo
- 1971 Missouri Sesquicentennial 8c Multicolored
- 1971 Flag and White House 8c Dark Blue, Red, and Slate Green
- 1971 Flag and White House 8c Dark Blue, Red, and Slate Green Vertical Coil
1971 – Wildlife Conservation
- Trout 8c Multicolored
- Alligator 8c Multicolored
- Polar Bear 8c Multicolored
- California Condor 8c Multicolored
- 1971 Antarctic Treaty Anniversary 8c Red and Dark Blue
- 1971 American Revolution Bicentennial 8c Gray, Red, Blue, and Black
- 1971 John Sloan 8c Multicolored
- 1971 Apollo 15 Moon Landing 8c Black, Blue, Gray, Yellow, and Red Se-tenant Pair
- 1971 Emily Dickinson 8c Multicolored on Greenish Paper
- 1971 San Juan Anniversary 8c Pale Brown, Black, Yellow, Red Brown, and Dark Brown
- 1971 Drug Abuse Prevention Week 8c Blue, Deep Blue, and Black
- 1971 CARE Anniversary 8c Blue, Black, Violet, and Red Lilac
1971 – Historic Preservation
- Decatur House 8c Black Brown and Ocher on Buff Paper
- Charles W. Morgan Whaling Ship 8c Black Brown and Ocher on Buff Paper
- San Francisco Cable Car 8c Black Brown and Ocher on Buff Paper
- San Xavier del Bac Mission 8c Black Brown and Ocher on Buff Paper
- 1971 Christmas Nativity 8c Gold and Multicolored
- 1971 Christmas Partridge 8c Dark Green, Red, and Multicolored
- 1972 Sidney Lanier 8c Black, Brown, and Light Blue
- 1972 Peace Corps 8c Dark Blue, Light Blue, and Red
1972 – National Parks Centennial
- Cape Hatteras 2c Black and Multicolored Block of 4
- Wolf Trap Farm 6c Black and Multicolored
- Old Faithful, Yellowstone 8c Black, Blue, Brown, and Multicolored
- Mt. McKinley 15c Black and Multicolored
1972 – Colonial Craftsmen
- Glass Blower 8c Deep Brown on Dull Yellow Paper
- Silversmith 8c Deep Brown on Dull Yellow Paper
- Wigmaker 8c Deep Brown on Dull Yellow Paper
- Hatter 8c Deep Brown on Dull Yellow Paper
1972 – Olympics
- Cycling 6c Black, Blue, Red, Emerald, and Yellow
- Bobsledding 8c Black, Blue, Red, Emerald, and Yellow
- Running 15c Black, Blue, Red, Emerald, and Yellow
1972 – Wildlife Conservation
- Fur Seal 8c Multicolored
- Cardinal 8c Multicolored
- Brown Pelican 8c Multicolored
- Bighorn Sheep 8c Multicolored
- 1972 Mail Order Centenary 8c Multicolored
- 1972 Osteopathy Anniversary 8c Multicolored
- 1972 Tom Sawyer 8c Multicolored
- 1972 Christmas Angels 8c Multicolored
- 1972 Christmas Santa 8c Multicolored
- 1972 Pharmacy Anniversary 8c Black and Multicolored
- 1972 Stamp Collecting 8c Multicolored
- 1973 Love 8c Red, Emerald, and Violet Blue
1973 – Boston Tea Party
- Merchantman 8c Black and Multicolored
- Three-Master 8c Black and Multicolored
- Boats 8c Black and Multicolored
- Dock 8c Black and Multicolored
1973 – American Arts
- George Gershwin 8c Deep Green and Multicolored
- Robinson Jeffers 8c Prussian Blue and Multicolored
- Henry O. Tanner 8c Yellow Brown and Multicolored
- Willa Cather 8c Deep Brown and Multicolored
1973 – Postal Workers
- Postage Sales 8c Multicolored
- Mail Collection 8c Multicolored
- Facing Letters 8c Multicolored
- Sorting Parcels 8c Multicolored
- Canceling Mail 8c Multicolored
- Manual Routing 8c Multicolored
- Electronic Routing 8c Multicolored
- Loading Trucks 8c Multicolored
- Urban Delivery 8c Multicolored
- Rural Delivery 8c Multicolored
1973 Progress in Electronics
- Marconi Spark Coil 6c Lilac and Multicolored
- Circuit Board 8c Tan and Multicolored
- Microphone and Speaker 15c Gray Green and Multicolored
1973-74 Rural America
- 1973 Christmas Madonna 8c Multicolored
- 1973 Christmas Tree 8c Multicolored
- 1973 Flags 10c Red and Blue
- 1973 Flags 10c Red and Blue Vertical Coil
- 1973 Jefferson Memorial 10c Blue
- 1973 Jefferson Memorial 10c Blue Vertical Coil
- 1974 ZIP Code 10c Multicolored
- 1974 Liberty Bell 6.3c Brick Red Vertical Coil
- 1974 VFW 10c Red and Dark Blue
- 1974 Robert Frost 10c Black
- 1974 Expo ’74 10c Multicolored
- 1974 Horse Racing 10c Yellow and Multicolored
- 1974 Skylab 10c Multicolored
1974 Universal Postal Union (UPU)
- Raphael 10c Multicolored
- Hokusai 10c Multicolored
- Peto 10c Multicolored
- Liotard 10c Multicolored
- Terborch 10c Multicolored
- Chardin 10c Multicolored
- Gainsborough 10c Multicolored
- Goya 10c Multicolored
1974 Mineral Heritage
- Petrified Wood 10c Blue and Multicolored
- Tourmaline 10c Blue and Multicolored
- Amethyst 10c Blue and Multicolored
- Rhodochrosite 10c Blue and Multicolored
1974 First Continental Congress
- Carpenters’ Hall 10c Dark Blue and Red
- Peace, Liberty, and Safety 10c Gray, Dark Blue, and Red
- Deriving Powers 10c Gray, Dark Blue, and Red
- Independence Hall 10c Red and Dark Blue
- 1974 Energy Conservation 10c Multicolored
- 1974 Legend of Sleepy Hollow 10c Dark Blue, Black, Orange, and Yellow
- 1974 Retarded Children 10c Brown Red and Dark Brown
- 1974 Christmas Angel 10c Multicolored
- 1974 Christmas Sleigh 10c Multicolored
- 1974 Christmas Dove 10c Multicolored Precancel
1975 American Arts
- Benjamin West 10c Multicolored
- Paul Laurence Dunbar 10c Multicolored
- D. W. Griffith 10c Brown and Multicolored
- 1975 Pioneer 10 to Jupiter 10c Light Yellow, Dark Yellow, Red, Blue, and Dark Blues
- 1975 Mariner 10 to Venus and Mercury 10c Black, Red, Ultramarine, and Bister
- 1975 Collective Bargaining 10c Multicolored
1975 Contributors to the Cause
- Sybil Ludington 8c Multicolored
- Salem Poor 10c Multicolored
- Haym Salomon 10c Multicolored
- Peter Francisco 18c Multicolored
1975 Military Uniforms
1975 Apollo Soyuz
1975 Postal Service Bicentennial
- Stagecoach and Truck 10c Multicolored
- Trains 10c Multicolored
- Planes 10c Multicolored
- Satellite 10c Multicolored
- 1975 World Peace 10c Green, Prussian Blue, and Rose Brown
- 1975 Banking and Commerce 10c Se-tenant Pair Multicolored
- 1975 Christmas Madonna (10c) Multicolored
- 1975 Christmas Card (10c) Multicolored
1975-1982 Americana
- 1977 Inkwell 1c Dark Blue on Greenish Paper
- 1977 Podium 2c Red Brown on Greenish Paper
- 1977 Ballot Box 3c Olive on Greenish Paper
- 1977 Books 4c Rose Magenta on Cream Paper
- 1977 Capitol 9c Slate Green on Gray Paper
- 1977 Justice 10c Violet on Gray Paper
- 1975 Printing Press 11c Orange on Gray Paper
- 1981 Torch 12c Red Brown on Beige Paper
- 1975 Liberty Bell 13c Brown
- 1975 Eagle and Shield 13c Multicolored
- 1975 13-Star Flag 13c Dark Blue, Red, and Brown Red
- 1977 Flag over Capitol 13c Blue and Red
- 1978 15-Star Flag 15c Gray, Dark Blue, and Red
- 1975 Old North Church 24c Red on Blue Paper
- 1978 Fort Nisqually 28c Brown on Blue Paper
- 1978 Lighthouse 29c Blue on Light Blue Paper
- 1979 School 30c Green on Blue Paper
- 1979 Lamp 50c Tan, Black, and Orange
- 1979 Candle on Lamp $1 Tan, Brown, Orange, and Yellow
- 1978 Kerosene Lamp $2 Tan, Dark Green, Orange, and Yellow
1975-1981 Americana Vertical Coils
- 1980 Inkwell 1c Dark Blue on Greenish Paper
- 1979 Guitar 3.1c Brown on Yellow Paper
- 1980 Violins 3.5c Purple on Yellow Paper
- 1976 Saxhorns 7.7c Brown on Yellow Paper
- 1976 Drum 7.9c Carmine on Yellow Paper
- 1978 Piano 8.4c Dark Blue on Yellow Paper
- 1976 Spirit of 76 Triptych 13c Multicolored
- 1976 Interphil 76 13c Dark Blue, Red, and Ultramarine
- 1976 Bell Telephone Centennial 13c Black, Purple, and Red on Tan Paper
- 1976 Commercial Aviation Anniversary 13c Blue and Multicolored
- 1976 American Chemical Society Centenary 13c Multicolored
1976 State Flags
- Delaware 13c
- Pennsylvania 13c
- New Jersey 13c
- Georgia 13c
- Connecticut 13c
- Massachusetts 13c
- Maryland 13c
- South Carolina 13c
- New Hampshire 13c
- Virginia 13c
- New York 13c
- North Carolina 13c
- Rhode Island 13c
- Vermont 13c
- Kentucky 13c
- Tennessee 13c
- Ohio 13c
- Louisiana 13c
- Indiana 13c
- Mississippi 13c
- Illinois 13c
- Alabama 13c
- Maine 13c
- Missouri 13c
- Arkansas 13c
- Michigan 13c
- Florida 13c
- Texas 13c
- Iowa 13c
- Wisconsin 13c
- California 13c
- Minnesota 13c
- Oregon 13c
- Kansas 13c
- West Virginia 13c
- Nevada 13c
- Nebraska 13c
- Colorado 13c
- North Dakota 13c
- South Dakota 13c
- Montana 13c
- Washington 13c
- Idaho 13c
- Wyoming 13c
- Utah 13c
- Oklahoma 13c
- New Mexico 13c
- Arizona 13c
- Alaska 13c
- Hawaii 13c
- 1976 Benjamin Franklin 13c Multicolored
- 1976 Declaration of Independence 13c Panel of 4 Multicolored
1976 Innsbruck Olympics
- 1976 Clara Maass 13c Multicolored
- 1976 Adolph Ochs 13c Black and Gray
- 1976 Christmas Nativity 13c Multicolored
- 1976 Christmas Currier 13c Multicolored
- 1977 Washington at Princeton 13c Multicolored
- 1977 Sound Recording Centenary 13c Black and Multicolored
1977 Pueblo Art (American Folk Art)
1977 Butterflies
- Swallowtail 13c Tan and Multicolored
- Checkerspot 13c Tan and Multicolored
- Dogface 13c Tan and Multicolored
- Orange-Tip 13c Tan and Multicolored
1977 Skilled Hands for Independence
- 1977 Peace Bridge 13c Blue
- 1977 Herkimer at Oriskany 13c Multicolored
- 1977 Energy Conservation and Development 13c Se-tenant Pair Multicolored
- 1977 Alta California 13c Black and Multicolored
- 1977 Articles of Confederation 13c Red and Brown on Cream Paper
- 1977 Talking Pictures 13c Multicolored
- 1977 Surrender at Saratoga 13c Multicolored
- 1977 Christmas Valley Forge 13c Multicolored
- 1977 Christmas Mailbox 13c Multicolored
- 1978 Sandburg 13c Black and Brown
- 1978 Captain Cook – Alaska 13c Dark Blue
- 1978 Captain Cook – Hawaii 13c Green
- 1978 Indian Head Penny 13c Brown and Blue Green
- 1978 Eagle A (15c) Orange
- 1978 Eagle A (15c) Orange Booklet
- 1978 Eagle A (15c) Orange Vertical Coil
- 1978 Roses 15c Multicolored
- 1978 Windmills Booklet 15c Sepia on Yellow Paper
- 1978 Tubman 13c Multicolored
1978 Quilts (American Folk Art)
1978 American Dance
- 1978 French Alliance 13c Blue, Black, and Red
- 1978 Cancer Detection 13c Brown
- 1978 Cohan 15c Multicolored
1978 CAPEX
1978 Wildlife Conservation
- Great Gray Owl 15c Multicolored
- Saw-whet Owl 15c Multicolored
- Barred Owl 15c Multicolored
- Great Horned Owl 15c Multicolored
1978 American Trees
- 1978 Christmas Madonna 15c Blue and Multicolored
- 1978 Christmas Hobby Horse 15c Red and Multicolored
- 1979 Robert Kennedy 15c Blue
- 1979 King 15c Multicolored
- 1979 International Year of the Child 15c Orange Red
- 1979 Steinbeck 15c Dark Blue
- 1979 Einstein 15c Chocolate
1979 Pennsylvania Toleware (American Folk Art)
1979 American Architecture
- Virginia Rotunda 15c Black and Brick Red
- Baltimore Cathedral 15c Black and Brick Red
- Boston State House 15c Black and Brick Red
- Philadelphia Exchange 15c Black and Brick Red
1979 Endangered Flora
- Trillium 15c Multicolored
- Broadbean 15c Multicolored
- Wallflower 15c Multicolored
- Primrose 15c Multicolored
- 1979 Guide Dogs 15c Multicolored
- 1979 Special Olympics 15c Multicolored
- 1979 John Paul Jones 15c Multicolored
1979 Moscow Olympics
- Decathlon 10c Multicolored
- Running 15c Multicolored
- Swimming 15c Multicolored
- Rowing 15c Multicolored
- Equestrian 15c Multicolored
- 1979 Christmas Madonna 15c Multicolored
- 1979 Christmas Santa 15c Multicolored
- 1979 Will Rogers 15c Multicolored
- 1979 Vietnam Veterans 15c Multicolored
- 1980 W. C. Fields 15c Multicolored
1980 Lake Placid Olympics
1980 National Letter Writing Week
- Letters Preserve Memories 15c Se-Tenant Pair Purple and Multicolored
- Letters Lift Spirits 15c Se-Tenant Pair Green and Multicolored
- Letters Shape Opinions 15c Se-Tenant Pair Red and Multicolored
- 1980 Perkins 15c Prussian Blue
- 1980 Dolly Madison 15c Red Brown and Sepia
- 1980 Bissell 15c Black and Red
- 1980 Keller 15c Multicolored
- 1980 Veterans Administration 15c Carmine and Violet Blue
- 1980 Galvez 15c Multicolored
1980 Coral Reefs
- Brain Coral 15c Multicolored
- Elkhorn Coral 15c Multicolored
- Chalice Coral 15c Multicolored
- Finger Coral 15c Multicolored
1980 Pacific Northwest Indian Masks
- Bella Bella 15c Multicolored
- Chilkat Tlingit 15c Multicolored
- Tlingit 15c Multicolored
- Bella Coola 15c Multicolored
1980 American Architecture
- Smithsonian 15c Black and Red
- Trinity Church 15c Black and Red
- Penn Academy 15c Black and Red
- Lyndhurst 15c Black and Red