Underground Comix are known for using different prices, covers (art or color variations) and interior content to distinguish different printings.
1st print September 1977 has 1.25 USD cover price.
2nd print has 1.50 USD cover price and different sequence order?
Introductory text with title logo and indicia information.
Adapted from the Wagner opera. Sequence title taken from Parsifal (Star*Reach, 1978 series) #nn.
P. Craig Russell's Opus #5