1 dollar, American Innovators, unside down

Elements (31)

All 1 dollar (31) Upside down (31)

108

$1, 2018, American Innovatirs, Signed First Patent, D

115

$1, 2019, Delaware, Annie Jump Cannon, Classifying the Stars, D

120

$1, 2019, Georgia, Trustees' Garden, P

103

$1, 2019, New Jersey, D

107

$1, 2019, Pennsylvania, Polio Vaccine, 1953, D

117

$1, 2020, Connecticut, Gerber Variable Scale, D

116

$1, 2020, Maryland, The Hubble Space Telescope, D

107

$1, 2020, Massachusetts, Telephone, D

125

$1, 2020, South Carolina, Septima Clark, P

121

$1, 2021, New Hampshire, Player 1, In-Home Video Game System, Ralph Baer, P

101

$1, 2021, New York, D

101

$1, 2021, North Carolina, First Public University, P

90

$1, 2021, Rhode Island, D

104

$1, 2021, Virginia, P

104

$1, 2022, Kentucky, Bluegrass, P

97

$1, 2022, Tennessee, Tennessee Valey Authority, D

98

$1, 2022, Vermont, D

106

$1, 2023, Indiana, P

125

$1, 2023, Louisiana, The Higgins Boat, D

95

$1, 2023, Mississippi, First Human Lung Transplant, D

104

$1, 2023, Ohio, Underground Railroad, P

120

$1, 2024, Alabama, Saturn V, D

101

$1, 2024, Illinois, Steel Plow, D

96

$1, 2024, Maine, Bernard Lown, M.D., Direct Current Defibrillator, D

107

$1, 2024, Missouri, George Washington Carver, D

103

$1, 2025, Arkansas, Rave Montague, D

106

$1, 2025, Florida, P

113

$1, 2025, Michigan, Auto Assembly Line, P

96

$1, 2025, Texas, D

87

$1, 2026, Iowa, Nornam Borlaug, Farher of the Green Revolution, P

31

$1, 2026, Wisconsin, Cray-1, Supercomputer, P