Franz Erhard Walther — (i) Zentralbau (ii) Gegenwärtige Wechselbeziehung

(i) Zentralbau (ii) Gegenwärtige Wechselbeziehung

$500
FRANZ ERHARD WALTHER (B. 1939) (i) Zentralbau (ii) Gegenwärtige Wechselbeziehung (i) titled 'ZENTRALBAU' (centre), signed and dated 'Walther 66/70' (lower right); signed and dated 'Walther 66/70' (on the reverse) (ii) signed and dated 'Walter 71/72' (lower right); signed and dated 'Walter 71/72' (on the reverse) (i) watercolour and pencil on paper (ii) gouache, watercolour, ink and pencil on paper each: 21 x 29.5cm. (2)(i) Executed in 1966-1970 (ii) Executed in 1971-1972