Comic Title: Blackhawk #172
Publisher: DC (National Periodical Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: May 1962
On Sale Date: March 8, 1962 Newsstand Date March 8, 1962
Source: House Ad, World's Finest Comics #125, Page 31

Copyright Date March 8, 1962
Source: Library of Congress, Periodicals 1962

Frequency: Monthly
Cover Price: $0.12
Page Count: 32
Editor: Jack Schiff

Title: "The Challenge of the Gas Master"
Pages: 8

Feature(s):
Blackhawk (of Earth-1)

Penciller: Dick Dillin
Inker: Charles Cuidera

Feature Character(s)

• Blackhawk (last appearance in Blackhawk #171; next appearance in Blackhawk #172)

Supporting Character(s)

• The Blackhawks (last appearance in Blackhawk #171; next appearance in Blackhawk #172)
• Hendrickson (last appearance in Blackhawk #171; next appearance in Blackhawk #172)
• Stanislaus (last appearance in Blackhawk #171; next appearance in Blackhawk #172)
• Andre (last appearance in Blackhawk #171; next appearance in Blackhawk #172)
• Chuck (last appearance in Blackhawk #171; next appearance in Blackhawk #172)
• Olaf (last appearance in Blackhawk #171; next appearance in Blackhawk #172)
• Chop Chop (last appearance in Blackhawk #171; next appearance in Blackhawk #172)

Villain(s)

• Gas Master and the Gas Gang (gold thieves; no further appearances)

Synopsis:
The Blackhawks face off against the gas gang who use exotic gases with odd properties to conduct their crimes. Blackhawk sets a trap for the gang and is led to their hide-out. He is then able to summon the other Blackhawks and finish off the gang.