| Issue | #9 |
| Published | February 1942 |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | ? |
| Characters | The Green Mask; Domino; the Green Mask (inset) |
| Pencils | Joe Simon? |
| Inks | Joe Simon? |
| Characters | The Green Mask [Don Shelby]; Domino [Don]; Dr. Larrett (villain, introduction) |
| Pencils | Arturo Cazeneuve [as Walter Frame] (signed) |
| Inks | Arturo Cazeneuve [as Walter Frame] (signed) |
| Notes | Art credits revised from Ramona Patenaude? to Cazeneuve by Craig Delich 2010-1-10. The Who's Who does NOT list this feature as ever being drawn by her. Cazeneuve's pen name was Walter Frame. |
| Characters | The Green Mask [Don Shelby]; Domino [Don]; Olivia; V: The "Devil" [Larchmont] (villain, introduction, death?); the Hatchet Men (villains, introduction, some die) |
| Synopsis | A man disguises himself as The Devil in order to get the Chinese merchants to pay him tribute. |
| Pencils | Arturo Cazeneuve [as Walter Frame] (signed) |
| Inks | Arturo Cazeneuve [as Walter Frame] (signed) |
| Notes | Art revision from Ramona Patenaude? to Cazeneuve by Craig Delich 2010-1-10, verified by Jerry Bails. |
| Reprinted | in Golden-Age Greats Spotlight (AC, 2003 series) #4 (2009) |
| Characters | The Green Mask [Don Shelby]; Domino [Don]; Nemo (villain, introduction) |
| Pencils | Arturo Cazeneuve [as Walter Frame] (signed) |
| Inks | Arturo Cazeneuve [as Walter Frame] (signed) |
| Notes | Art credits revised from Ramona Patenaude? to Cazeneuve by Craig Delich 2010-1-10. The Who's Who does NOT list this feature as ever being drawn by her. Cazeneuve's pen-name was Walter Frame. |
| Characters | The Green Mask [Don Shelby]; Domino [Don]; William Ames (villain, introduction); Mugsy (villain, introduction) |
| Pencils | Arturo Cazeneuve [as Walter Frame] (signed) |
| Inks | Arturo Cazeneuve [as Walter Frame] (signed) |
| Notes | Next appearance in MYSTERY MEN COMICS #31. Art credits revised from Ramona Patenaude? to Cazeneuve by Craig Delich 2010-1-10. The Who's Who does NOT list this feature as ever being drawn by her. Cazeneuve's pen-name was Walter Frame. |
| Characters | Bonnie O'Toole; Farley (villain, introduction) |
| Pencils | ? [as Jack Simms] (signed) |
| Inks | ? [as Jack Simms] (signed) |
| Notes | Last appearance. |
| Script | Gene Rider (signed) |
| Letters | typeset |
| Characters | Mickey Hawkins (introduction); Ebenezer Hawkins (introduction); Abigail Hawkins (introduction); Alla Kazam (introduction); Smoke Hag (villain, introduction) |
| Pencils | ? [as Joe Lozen] (signed) |
| Inks | ? [as Joe Lozen] (signed) |
| Notes | Only appearance. |
| Characters | Nightbird; The Censor [Richardi](villain, introduction, death) |
| Pencils | ? [Dick Drumba?] |
| Inks | ? [Dick Drumba?] |
| Notes | Last appearance. |