Dear David,

Thank you for contacting Mearto with your appraisal inquiry. My sincere apologies for the delay with the appraisal.

The presented object appears to be a serigraph on paper or cardboard with the measurements 23 x 36 inches. The print has the title" Cosmic Runner 2". It has the edition of 6/36 and is signed by hand by Peter Max (American, b.1937).

Comparable objects were recently offered and sold on the international auction market. 
This piece is in good condition and there is no serious damage visible in the images provided.
A fair market estimation would be between 250 to 500 USD.
This estimate is based on actual recent past recorded auction sales of comparable items. Retail "asking prices" can be higher and may vary.

With kind regards, 

George