| Issue | #640 |
| Published | August 1955 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | ? |
| Notes | Indicia title is "Ernest Haycox's WESTERN MARSHAL, No. 640." Code number is W.M.O.S. #640-558. Copyright 1955 by Jill Marie Haycox. Fourth of four Western Marshall Four Colors. |
| Characters | Dan Mitchell |
| Genre | western |
| Pencils | Sam Savitt (painting) |
| Inks | Sam Savitt (painting) |
| Colors | Sam Savitt (painting) |
| Notes | Pencils, inks, and letters credits for this sequence from Alberto Becattini (May 14, 2007) |
| Synopsis | Facsimile of Distinguished Achievement Award given Dell publisher George T. Delacorte, Jr. by Newsdealers Post Number 1169 American Legion on November 14, 1954. |
| Letters | typeset |
| Notes | Inside front cover; black and white. Also includes typeset version of Dell's "A Pledge to Parents." (not in usual form.) |
| Characters | Dan Mitchell; Tom Leathers; Sherry (cameo) |
| Synopsis | Dan Mitchell has to put on the Marshal's star again and try to keep the peace between crews laying railroad track and wagon haulers, who are afraid the railroad will put them out of business. |
| Genre | western |
| Pencils | Everett Raymond Kinstler |
| Inks | Everett Raymond Kinstler |
| Notes | Story continues on the inside back cover in black and white and concludes on the back cover in color. The last panel is Dell's "A Pledge to Parents." Pencils and inks credits for this sequence from Alberto Becattini (May 14, 2007) |