| USA - Illinois, Cardinal & Violet 20c., polychrome Y&T N°1394Scott N°1965 Issued on 1982 | alexouil33 search1 |
| USA - Indiana, Cardinal et Peony 20c., polychrome Y&T N°1395Scott N°1966 Issued on 1982 | alexouil33 search1 |
| USA - Iowa, Eastern Goldfinsh & Wild Rose 20c., polychrome Y&T N°1396Scott N°1967 Issued on 1982 | alexouil33 search1 |
| USA - Kansas, Western Meadowlark & Sunflower 20c., polychrome Y&T N°1397Scott N°1968 Issued on 1982 | alexouil33 search1 |
| USA - Kentucky, Cardinal & Goldenrod 20c., polychrome Y&T N°1398Scott N°1969 Issued on 1982 | alexouil33 search1 |
| USA - Louisiana, Brown Pelican & Magnolia 20c., polychrome Y&T N°1399Scott N°1970 Issued on 1982 | alexouil33 search1 |
| USA - Maine, Chickadee & White Pine Cone and Tassel 20c., polychrome Y&T N°1400Scott N°1971 Issued on 1982 | alexouil33 search1 |
| USA - Maryland, Baltimore Oriole & Black-Eyed Susan 20c., polychrome Y&T N°1401Scott N°1972 Issued on 1982 | alexouil33 search1 |
| USA - Massachusetts, Black-Capped Chickadee & Mayflower 20c., polychrome Y&T N°1402Scott N°1973 Issued on 1982 | alexouil33 search1 |
| USA - Michigan, Robin & Apple Blossom 20c., polychrome Y&T N°1403Scott N°1974 Issued on 1982 | alexouil33 search1 |
| USA - Minnesota, Common Loon & Showy Lady Slipper 20c., polychrome Y&T N°1404Scott N°1975 Issued on 1982 | alexouil33 search1 |
| USA - Mississippi, Mockingbind & Magnolia 20c., polychrome Y&T N°1405Scott N°1976 Issued on 1982 | alexouil33 search1 |
| USA - Missouri, Eastern Bluebird & Red Hawthorn 20c., polychrome Y&T N°1406Scott N°1977 Issued on 1982 | alexouil33 search1 |
| USA - Montana, Western Meadowlark & Bitterroot 20c., polychrome Y&T N°1407Scott N°1978 Issued on 1982 | alexouil33 search1 |
| USA - Nebraska, Western Meadowlark & Goldenrod 20c., polychrome Y&T N°1408Scott N°1979 Issued on 1982 | alexouil33 search1 |
| USA - Nevada, Mountain Bluebird & Sagebrush 20c., polychrome Y&T N°1409Scott N°1980 Issued on 1982 | alexouil33 search1 |
| USA - New Hampshire, Purple Finch & Lilac 20c., polychrome Y&T N°1410Scott N°1981 Issued on 1982 | alexouil33 search1 |
| USA - New Jersey, American Goldfinch & Violet 20c., polychrome Y&T N°1411Scott N°1982 Issued on 1982 | alexouil33 search1 |
| USA - New Mexico, Roadrunner & Yuca Flower 20c., polychrome Y&T N°1412Scott N°1983 Issued on 1982 | alexouil33 search1 |
| USA - New York, Eastern Bluebird & Rose 20c., polychrome Y&T N°1413Scott N°1984 Issued on 1982 | alexouil33 search1 |
| USA - North Carolina, Cardinal & Flowering Dogwood 20c., polychrome Y&T N°1414Scott N°1985 Issued on 1982 | alexouil33 search1 |
| USA - North Dakota, Western Meadowlark & Wild Prairie Rose 20c., polychrome Y&T N°1415Scott N°1986 Issued on 1982 | alexouil33 search1 |
| USA - Ohio, Cardinal & Red Carnation 20c., polychrome Y&T N°1416Scott N°1987 Issued on 1982 | alexouil33 search1 |
| USA - Oklahoma, Scissor-tailed Flycatcher & Mistletoe 20c., polychrome Y&T N°1417Scott N°1988 Issued on 1982 | alexouil33 search1 |
| USA - Oregon, Western Meadowlark & Oregon Grape 20c., polychrome Y&T N°1418Scott N°1989 Issued on 1982 | alexouil33 search1 |
| USA - Pennsylvania, Ruffed Grouse & Mountain Laurel 20c., polychrome Y&T N°1419Scott N°1990 Issued on 1982 | alexouil33 search1 |
| USA - Rhode Island, Rhode Island Red & Violet 20c., polychrome Y&T N°1420Scott N°1991 Issued on 1982 | alexouil33 search1 |
| USA - South Carolina, Carolina Wren & Carolina Jessamine 20c., polychrome Y&T N°1421Scott N°1992 Issued on 1982 | alexouil33 search1 |
| USA - South Dakota, Ring-Necked Pheasant & Pasqueflower 20c., polychrome Y&T N°1422Scott N°1993 Issued on 1982 | alexouil33 search1 |
| USA - Tennessee, Mockingbind & Iris 20c., polychrome Y&T N°1423Scott N°1994 Issued on 1982 | alexouil33 search1 |
| USA - Texas, Mockingbind & Bluebonnet 20c., polychrome Y&T N°1424Scott N°1995 Issued on 1982 | alexouil33 search1 |
| USA - Utah, California Gull & Sego Lily 20c., polychrome Y&T N°1425Scott N°1996 Issued on 1982 | alexouil33 search1 |
| USA - Vermont, Hermit Thrush & Red Clover 20c., polychrome Y&T N°1426Scott N°1997 Issued on 1982 | alexouil33 search1 |
| USA - Virginia, Cardinal & Flowering Dogwood 20c., polychrome Y&T N°1427Scott N°1998 Issued on 1982 | alexouil33 search1 |
| USA - Washington, American Goldfinch & Rhododendron 20c., polychrome Y&T N°1428Scott N°1999 Issued on 1982 | alexouil33 search1 |
| USA - West Virginia, Cardinal & Rhododendron Maximun 20c., polychrome Y&T N°1429Scott N°2000 Issued on 1982 | alexouil33 search1 |
| USA - Wisconsin, Robin & Wood Violet 20c., polychrome Y&T N°1430Scott N°2001 Issued on 1982 | alexouil33 search1 |
| USA - Wyoming, Western Meadowlark & Indian Paintbrush 20c., polychrome Y&T N°1431Scott N°2002 Issued on 1982 | alexouil33 search1 |
| USA - Knoxville World's Fair, Synthetic fuels 20c., polychrome Y&T N°1436Scott N°2007 Issued on 1982 | alexouil33 search1 |
| USA - Knoxville World's Fair, Breeder reactor 20c., polychrome Y&T N°1437Scott N°2008 Issued on 1982 | alexouil33 search1 |
| USA - Knoxville World's Fair, Fossil fuels 20c., polychrome Y&T N°1438Scott N°2009 Issued on 1982 | alexouil33 search1 |
| USA - Stagecoach 1890s 4c., brun Y&T N°1447Scott N°1898A Issued on 1982 | alexouil33 search1 |
| USA - Architecture, Mies van der Rohe (1886-1969), Illinois Inst Tech, Chicago 20c., noir et carmin Y&T N°1451Scott N°2020 Issued on 1982 | alexouil33 search1 |
| USA - Season's Greetings 20c., polychrome Y&T N°1458Scott N°2028 Issued on 1982 | alexouil33 search1 |
| USA - Intrepid 1861 20c., polychrome Y&T N°1464Scott N°2032 Issued on 1983 | alexouil33 search1 |
| USA - Hot air ballooning 20c., polychrome Y&T N°1465Scott N°2033 Issued on 1983 | alexouil33 search1 |
| USA - Hot air ballooning 20c., polychrome Y&T N°1466Scott N°2034 Issued on 1983 | alexouil33 search1 |
| USA - "Explorer II" (1935) 20c., polychrome Y&T N°1467Scott N°2035 Issued on 1983 | alexouil33 search1 |
| USA - Handcar 1880s 3c., vert foncé Y&T N°1470Scott N°1898 Issued on 1983 | alexouil33 search1 |
| USA - Volunteer lend a hand 20c., polychrome Y&T N°1473Scott N°2039 Issued on 1983 | alexouil33 search1 |
| USA - Physical Fitness 20c., polychrome Y&T N°1477Scott N°2043 Issued on 1983 | alexouil33 search1 |
| USA - Olympics 84 13c., polychrome Y&T N°1487Scott N°2048 Issued on 1983 | alexouil33 search1 |
| USA - Olympics 84 13c., polychrome Y&T N°1489Scott N°2050 Issued on 1983 | alexouil33 search1 |
| USA - Express Mail Eagle & Moon 9.35$., polychrome Y&T N°1491Scott N°1909 Issued on 1983 | alexouil33 search1 |
| USA - Motorcycle 1913 5c., vert Y&T N°1493Scott N°1899 Issued on 1983 | alexouil33 search1 |
| USA - Civil Service (1883-1983) 20c., polychrome Y&T N°1495Scott N°2053 Issued on 1983 | alexouil33 search1 |
| USA - Charles Steinmetz, Electrical Theories 20c., polychrome Y&T N°1497Scott N°2055 Issued on 1983 | alexouil33 search1 |
| USA - Nikola Tesla, Induction Motor 20c., polychrome Y&T N°1499Scott N°2057 Issued on 1983 | alexouil33 search1 |
| USA - Philo T. Farnsworth, first television camera 20c., polychrome Y&T N°1500Scott N°2058 Issued on 1983 | alexouil33 search1 |
| USA - First American streetcar, New York City, 1832 20c., polychrome Y&T N°1501Scott N°2059 Issued on 1983 | alexouil33 search1 |
| USA - Early electric streetcar, Montgomery, Alabama, 1886 20c., polychrome Y&T N°1503Scott N°2060 Issued on 1983 | alexouil33 search1 |
| USA - St Charles streetcar, New Orleans, Louisiana, 1923 20c., polychrome Y&T N°1504Scott N°2062 Issued on 1983 | alexouil33 search1 |
| USA - Olympics 84 20c., polychrome Y&T N°1511Scott N°2069 Issued on 1984 | alexouil33 search1 |
| USA - Olympics 84 20c., polychrome Y&T N°1512Scott N°2070 Issued on 1984 | alexouil33 search1 |
| USA - Federal Deposit Insurance Corporation 20c., polychrome Y&T N°1513Scott N°2071 Issued on 1984 | alexouil33 search1 |
| USA - Baby Buggy 1880s 7.4c., brun Y&T N°1518Scott N°1902 Issued on 1984 | alexouil33 search1 |
| USA - RR Caboose 1890s 11c., rouge Y&T N°1519Scott N°1905 Issued on 1984 | alexouil33 search1 |
| USA - Orchids: Pacific calypso, Calypso bulbosa 20c., polychrome Y&T N°1525Scott N°2079 Issued on 1984 | alexouil33 search1 |
| USA - Jim Thorpe (1888-1953) 20c., brun Y&T N°1535Scott N°2089 Issued on 1984 | alexouil33 search1 |
| USA - Herman Melville (1819-1891) 20c., vert foncé Y&T N°1541Scott N°2094 Issued on 1984 | alexouil33 search1 |
| USA - Horace Moses (1862-1947), Founder, Junior Achievement 20c., orange et brun Y&T N°1542Scott N°2095 Issued on 1984 | alexouil33 search1 |
| USA - Smokey 20c., polychrome Y&T N°1543Scott N°2096 Issued on 1984 | alexouil33 search1 |
| USA - Roberto Clemente 20c., polychrome Y&T N°1544Scott N°2097 Issued on 1984 | alexouil33 search1 |
| USA - Family Unity 20c., noir, rouge et bleu Y&T N°1551Scott N°2104 Issued on 1984 | alexouil33 search1 |
| USA - A Nation of Readers 20c., brun-noir et brun-violet Y&T N°1553Scott N°2106 Issued on 1984 | alexouil33 search1 |
| USA - Vietnam Veterans Memorial 20c., gris-vert, gris et vert amande Y&T N°1557Scott N°2109 Issued on 1984 | alexouil33 search1 |
| USA - Grenville Clark (1882-1967) 39c., lilas-rose Y&T N°1566Scott N°1867 Issued on 1985 | alexouil33 search1 |
| USA - Folk Art - Mallard Decoy 22c., polychrome Y&T N°1568Scott N°2139 Issued on 1985 | alexouil33 search1 |
| USA - Folk Art - Canvasback Decoy 22c., polychrome Y&T N°1569Scott N°2140 Issued on 1985 | alexouil33 search1 |
| USA - Folk Art - Redhead Decoy 22c., polychrome Y&T N°1570Scott N°2141 Issued on 1985 | alexouil33 search1 |
