Affectionately known as the "Shark Lady", pioneering marine biologist Eugenie Clark (1922-2015) is honored for her contributions to marine sience. A species of dogfish shark newly discovered in the Gulf of Mexico was named Squalus clarkae in her honor in 2018.

20 Forever stamps. Released May 4, 2022.

Sheet measures 6" x 7-1/4". Mint.

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