Richard Lin (Lin Show-Yu) (1933-2011)

Richard Lin (Lin Show-Yu) (1933-2011)
Untitled (139), 1960; Untitled (140), 1960
signed, numbered and dated 'Lin 1960/139' (lower right); signed, numbered and dated 'Lin 1960/140' (lower right)
pencil
17 x 21½ in. (43 x 54.7 cm.) each
(2)