| Issue | #523 |
| Published | December 1953 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | ? |
| Notes | Indicia title is "RIN-TIN-TIN, No. 523." Code number is R.T.T.O.S. #5312. Copyright 1953 by Lee Duncan. Third of Three Rin Tin Tin Four Colors. Continues as Rin Tin Tin (Dell, 1954 series) #4 (March-May 1954). The name "Rin Tin Tin" is hyphenated on the cover and indicia, but has no hyphens in the interior stories. This version of Rin Tin Tin is set in contemporary times and has no connection with the later western "Rin Tin Tin" television series. |
| Characters | Rin Tin Tin (photo) |
| Pencils | ? (photo) |
| Inks | ? (photo) |
| Colors | ? (photo) |
| Characters | Rin Tin Tin; Capt. Red Johnson |
| Synopsis | Introduction to the characters in the stories. |
| Pencils | Sparky Moore |
| Inks | Sparky Moore |
| Notes | Inside front cover; black and white. |
| Characters | Rin Tin Tin; Capt. Red Johnson: J. B. Mooney |
| Synopsis | When one of his best friends is murdered, J. B. Mooney sends Red and Rinty to the site of the murder to investigate. |
| Pencils | Sparky Moore |
| Inks | Sparky Moore |
| Notes | Pencils and inks credits for this sequence from Alberto Becattini (May 14, 2007) |
| Characters | Rin Tin Tin; Capt. Red Johnson; J. B. Mooney |
| Synopsis | Thieves break into J. B. Mooney's study and steal a red-bound confidential report on his employees to use for blackmail. Mooney suspects his former personnel manager, Brad Pearson, of ringleading the crime and Red and Rinty investigate. |
| Pencils | Sparky Moore |
| Inks | Sparky Moore |
| Notes | Story continues on inside back cover in black and white and concludes on back cover in color. Pencils and inks credits for this sequence from Alberto Becattini (May 14, 2007) |