Vintage artwork

Artwork called 'Ruimtelijk (de nacht kriekt)'.
Signed bij CR or RC (Rob Clous?), numbered 2/25. 
 
Framed in a rough wooden structure, with dripped glue and staples. 
 
Approximately L 28 cm x W 28 cm x H 4,5 cm. 
Weighs around 1020 grams. 
 
In good vintage condition, with a little scratching on the acrylic glass that is not very noticeable from a distance.