This issue has variants.
Underground Comix are known for using different prices, covers (art or color variations) and/or interior content to distinguish between printings.
1st print February 1978 has 1.00 USD cover price. All say which printing in indicia information.
2nd print October 1978 has 1.00 USD cover price.
3rd print June 1981 has 1.50 USD cover price.
4th print has 1.50 USD cover price. Has different inside back cover advertisement from 1st print.
Inside front cover illustration and text with indicia information at bottom of page.
Original pamphlet first published in 1972 with a press run of 400. Printed here sideways, two pages per page.