Here's an advert, in Treasure No.349 (20th September 1969):
"There are ten sets in the series."
And here's the bright new 1/- box:
I don't know how many different box backs there were; pretty much any of the transfers would go with this one, possibly apart from "Tiger Hunt":
Courtesy of murraycards51
Nick Symes asked me what this transfer was, & I'm afraid it's the only one of this series we've seen so far!
Courtesy of Nick Symes• Next Page: Raja Grandes Descobridores  →
Picture Credit: The SPLAT Scan Archives — murraycards51 — Nick Symes
© Tom Vinelott 2020