CREATE TABLE table_202_68 (id DECIMAL, "value" TEXT, "diameter" TEXT, "composition" TEXT, "1979-1989\ obverse" TEXT, "1979-1989\ reverse" TEXT)

what is on the obverse side of each coin ?
SELECT DISTINCT "1979-1989\nobverse" FROM table_202_68
SELECT DISTINCT "1979-1989\nobverse" FROM "table_202_68"