Underground Comix are known for using different prices, covers (art or color variations) and/or interior content to distinguish between printings.
Format different from 1st-7th printings - see issue #2.
8th print has 2.00 USD cover price. 9th print has 2.50 USD cover price. 10th print has 2.95 USD cover price. 11th print has 3.25 USD cover price.
Later printings with greater than 3.25 USD cover price?
Printing numbers differ from Fogel's guide as he does not list a 2.50 USD cover price printing.
Colored art from 1st panel of story.
Originally titled "1975"
Sequence on inside of back cover.
Image on back which was used for front covers of early printings of issues #1-3.