4 Triangles within a Square #1
$500
Robert Mangold (b. 1937)
4 Triangles within a Square #1
signed, titled and dated '4 Triangles Within a Square #1 R Mangold 1974' (lower edge)
acrylic and graphite on paper
22 1/8 x 22 3/8 in. (56.1 x 56.8 cm.)
Executed in 1974.