| Countdown #13 | Date - (15th May 1971) | Published by Polystyle |
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| CONTENTS |
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| COMIC |
| Dr. Who Timebenders |
| Dastardly and Muttley |
| UFO |
| Countdown |
| Stingray |
| Thunderbirds |
| Fireball XL5 |
| FEATURES |
| 120 mph - straight down |
| Think Tank |
| Shado Data |
| The Mystery of Mars |
from the collection of Eckscalibre