Heerich, Erwin 2 Zeichnungen. Um 1970. Je Filzstift mit Bleistift auf kariertem, glattem Zeichenpapier. Blattmaße je 42 x 29,7 cm bzw. 29,7 x 42 cm. 1 Arbeit verso signiert. - Teils leichte, kaum merk…

Geometrical Abstraction Heerich, Erwin 2 drawings. Circa 1970. Each in felt-tip pen with pencil on squared, smooth drawing paper. Sheet dimensions 42 x 29.7 cm and 29.7 x 42 cm respectively. 1 work signed verso. - Partly slight, barely noticeable handling marks, overall very good. Clear, strictly geometric drawings. With the character of architectural design and planning drawings. 2 drawings. Each in felt-tip pen with pencil on squared, smooth drawing paper. 1 work signed on the verso. - Partly slight, barely noticeable handling marks, overall very good. Clear, strictly geometric drawings. - With the character of architectural design and planning drawings.