Underground Comix are known for using different prices, covers (art or color variations) and/or interior content to distinguish between printings.
The Print Mint-
1st print- 0.50 cover. Has heavy stock cover.
2nd print- 0.50 cover. Has regular weight cover stock.
3rd print- 0.75; 4th print- 1.00; 5th print- 2.00
Last Gasp-
6th print- 2.50 cover; 7th print- 2.95
8th print- 3.95; 9th print- 4.95
This issue has variants: