signed, titled and dated "Mary Obering 1980 "Secondaries"" on the reverse; further titled, inscribed and dated "GP49 "Secondaries" 1980" on a label affixed to the reverse

gold leaf and egg tempera on Masonite

24 1/8 x 24 1/8 in. (61.3 x 61.3 cm)

Executed in 1980.