Invincible Detective Magazine
the same publisher under the same series title of which only two undated examples are known - The Counterfeiters by Rex YoungUnited Kingdom1949–195467 issues
IN#V04N38 (1953-January)#V04N38 (1953-January)
- IN#V04N39 (1953-February)
#V04N39 (1953-February)
- IN#V04N40 (1953-March)
#V04N40 (1953-March)
- IN#V04N41 (1953-April)
#V04N41 (1953-April)
- IN#V04N42 (1953-May)
#V04N42 (1953-May)
- IN#V04N43 (1953-June)
#V04N43 (1953-June)
- IN#V04N44 (1953-July)
#V04N44 (1953-July)
- IN#V04N45 (1953-August)
#V04N45 (1953-August)
- IN#V04N46 (1953-September)
#V04N46 (1953-September)
- IN#V04N47 (1953-October)
#V04N47 (1953-October)
- IN#V04N48 (1953-November)
#V04N48 (1953-November)
- IN#V04N49 (1953-December)
#V04N49 (1953-December)