Underground Comix are known for using different prices, covers (art or color variations) and interior content to distinguish different printings. 1st print September 1975 has 1.00 USD cover price. 2nd print June 1977 has 1.25 USD cover price.
This issue is a variant of Star*Reach (Star*Reach, 1974 series) #3.
There exist further variants:
Story titles and creators with illustration and indicia information. Sequence content from 2nd print. 1st print had editorial/introductory text by Mike Friedrich?