TIN TYPES Oi Sawa’s oil paintings on tin are on display in “The Beginning of the Century.” The silvery geometric paintings were inspired by reflections on a stovepipe in the artist’s studio more than 10 years ago. She incorporated images of space and the universe, and influences from cubism into the finished paintings. The gallery is also showing oil paintings by Tazuko Fujii. Through Saturday, November 12, Tuesday-Saturday, 10:30 a.m.-6 p.m., Viridian Artists, 530 W. 25th St., between Tenth and Eleventh avenues, no. 407, 212-414-4040, free.

MAJOR MARKS The new exhibit “Marks of Distinction” celebrates the 20th anniversary of Dartmouth University’s Hood Museum of Art. The show includes work from 200 years of American drawings and watercolors. Artists whose work is on view include Mary Cassatt, John James Audubon, Winslow Homer, Benjamin West, James McNeill Whistler, Jackson Pollock, Agnes Martin, Eva Hesse, John Singer Sargent, Jacob Lawrence, Romare Bearden, and Lee Bontecou. Through Saturday, December 31, Wednesday and Thursday, noon-5 p.m., Friday-Sunday, 11 a.m.-6 p.m., National Academy Museum, 1083 Fifth Ave. at 89th Street, 212-369-4880, $10 general, $5 seniors and students.

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