Newspaper stripYL 57-11-04
Safety Valves.
- First published
- 4 November 1957
- Length
- 1 page
- Printed
- 2 times, in 2 countries
- Also coded
821,yl57-11-04
Credits
- Plot
- Dick Huemer
- Script
- Dick Huemer
- Pencils
- George Wheeler
Characters
In bold: the story's lead.
Where it was printed
| Date | Country | Issue | Title |
|---|---|---|---|
| 1957 |  United States | Newspapers 1957 | Safety Valves. |
| 13 February 1958 |  Sweden | Aftonbladet 19580213 | Säkerhetsventiler. |
Other versions
Redrawn, cut, recoloured or relettered for a later printing.
se/AB 19580213aIllustration, 1/12 p., 1 tiers