Geoff Campion's cover for Sun, dated 31st March 1956.
"Tally-ho, chaps!"
Alan (and Thomas) Davis provide the cover for The Transformers, dated 14th February 1987. I assume Alan's son acted as an advisor? He probably had the toys or watched the TV show? I think he was about 6 at the time? Thomas, that is, not Alan...
Coming soon in 2022, Brian Bolland: The Apex Edition, an oversize book featuring scans of his original artwork. Check the 2000AD website for details. It's interesting to see that Dredd's belt buckle has a patch over it.
Here's a panel detail from the Dredd story, Punks Rule from 2000AD issue 110 dated 28th April 1979.