| Issue | #455 |
| Published | March 1953 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | ? |
| Notes | Indicia title is "JOHNNY MACK BROWN COMICS", No. 455." Code number is J.M.B.O.S. #455-533. Copyright 1953 by Johnny Mack Brown. First Four Color issue after regular Johnny Mack Brown (Dell, 1950) series ends with #10 (September-November 1952). |
| Characters | Johnny Mack Brown (photo) |
| Genre | western |
| Pencils | ? (photo); ? (background) |
| Inks | ? (photo); ? (background) |
| Colors | ? (photo); ? (background) |
| Notes | Cover is an edited photo with a hand-drawn background illustration. |
| Synopsis | Short article about the modern-day California desert posse, based in the San Bernadino Sheriff's office. |
| Genre | western; fact |
| Pencils | August Lenox [as Lenox] (signed) |
| Inks | August Lenox [as Lenox] (signed) |
| Letters | typeset |
| Notes | Inside front cover; black and white. Two illustrations with typeset text. |
| Characters | Johnny Mack Brown; Rebel (horse) |
| Synopsis | Johnny happens upon an accident when a horse falls down a hill and the rider's leg is broken. He takes the man to his nearby ranch, where he finds that this is one of a number of "accidents" that have befallen the rancher and his men recently. |
| Genre | western |
| Synopsis | A taciturn prospector refuses to give directions to a pair of men on the run after a murder, leaving them to pick their own way at a fork in the trail. One way leads to the border, the other to a deathtrap in quicksand. |
| Genre | western |
| Letters | typeset |
| Notes | Text story with two 1/4 page illustrations. |
| Characters | Johnny Mack Brown; Mule Beardsley |
| Synopsis | A hotel guest hides a map to his dead brother's gold mine in a bottle and lowers it to a pile of bottles below the window of his room. The next morning two crooks rough him up looking for the map before Johnny interrupts them. After telling Johnny his story, the man finds that the pile of bottles has been taken by a junk man who's building a bottle house in the desert five miles out of town. The house builder turns out to be Mule Beardsley, an old friend of Johnny's. |
| Genre | western |
| Characters | Sheriff Walt Morrison |
| Synopsis | A stranger rides into Red Rock just before midnight to report a murder. The next morning the stranger rides with the sheriff back to the murder site, but the stranger's story arouses suspicion. |
| Genre | western |
| Notes | A generic western story, not Johnny Mack Brown. |
| Synopsis | Facts about burros. |
| Genre | western; fact |
| Pencils | Till Goodan (signed) |
| Inks | Till Goodan (signed) |
| Letters | Till Goodan |
| Notes | Inside back cover; black and white. Two illustrations and hand-lettered text. |
| Characters | Johnny Mack Brown (photo) |
| Synopsis | Johnny Mack Brown lighting an old-fashioned kerosene lantern. |
| Genre | western |
| Pencils | ? (photo) |
| Inks | ? (photo) |
| Colors | ? (photo) |
| Notes | Back cover. Color photo. |