Here's an advert for the 1967 Walls 'Space Adventure' promotion, featured in an earlier post (here).
Thanks to 'Doctor Who Comic Fun' blog for the pic. He also shows another advert:
And he has page by page scans of the accompanying book - click here.
You can download the album here. Somewhere I've got scans of all the cards... which I will post when I get organised!
Janet Hargreaves 1937–2018
7 hours ago