John Carter Warlord of Mars 1977 #6 - 5.0 - $5.00

Thoats run amok in Helium.

Spider-Man prevents Legal Eagle from stealing the Bill of Rights from the U.S. Capitol.

On-sale date from Comic Reader (Street Enterprises, 1973 series) #146, August 1977.

• The Air-Pirates of Mars, Chapter 6: Hell in Helium! - Letterer information 2005 by Steven Tice.
• Legal Eagle - Comics ad for Hostess Cup Cakes from ITT Continental Baking Company.