A single new artist produced all twenty-four sets in this series; let's call him "D" for convenience.
Note that the copyright date on the cards is 1970; this clearly refers to the copyright of the concept of Mini-Toons, which were first produced in that year, & not to the date of publication. The copyright date on the transfer sheets is 1971.
The serial numbers cover the range GK81 to GK104.
Interestingly, many of the sets we have seen are an earlier printing than the others, & disingenuously ask you to "collect all 24 titles" — when, of course, there are 48.
No.27 "Down on the Farm" features the "24 titles" back, & is also the only set which we haven't got unused.
Most of the Mini-Toons shown below share the same back cover, but No.48 "Trials of Strength" is from a different printing to show you another variation: send in twelve used transfer sheets & you will get two Fun Doodles for free (well, for 10p, anyway)!
Whereas the first twenty-four Mini-Toons placed their transfers in the slot in the card, some printings of the next twenty-four added a staple — shown here, inside & out — to ensure the sheet didn't go missing. This was a mixed blessing, as of course it meant holes in the background — & the danger of holes damaging a transfer figure.
Picture Credit: The SPLAT Scan Archives, with thanks to Joe Robinson
© Tom Vinelott 2022