Original ink drawing was executed in 1970 by famous  Austrian  contemporary painter, printmaker and co-founder of the Vienna School of Fantastic Realism Anton Lehmden (1929 Cabaj, Czechoslovakia - 2018 Vienna).
Full artist's biography see in German on-line Wikipedia uder following link:

https://de.wikipedia.org/wiki/Anton_Lehmden

Literature: Fuchs, Painter (20th century) III, 1986;  List, 1967; Vollmer VI, 1962, 198 .

inscriptions: lower right : memory inscribed and signed : Beatrix Her.., Lehmden ”, dated 1970 , lower right.

Technique: original ink drawing on paper, framed.

Measurements: unframed   w 8" x h 6 1/8"  (20,5 x 15,5 cm), matted and framed w 11 2/3” x h 8 1/4" (29,5 x 21 cm).

Condition: very good.