This 2nd edition has the Print Mint 830 Folger Ave. Berkeley CA 94710 address in addition to Gilbert Shelton's address.
The 2nd and 3rd editions are believed to be indistinguishable from each other.
Purchased in eBay auction June 21, 2006, $69.51.
SRUCC: Feds 'N' Heads Comics, 5th-11th edition
SRUCC: Feds 'N' Heads Comics, 14th edition
Comixjoint: Feds 'n' Heads, 2nd-3rd printing
Grand Comics Database: Feds 'N' Heads Comics