Tantra: not Tantrum.

As the sainted Alan Partridge might have it, "AHAAAAAAAAAAAAAAAAAAAAAA". No sooner had I "done" the previous post than Plasticine Porter emailed with detailed photos of the up-to-date Mini, one of which immediately leaped (?) to my attention - namely, the piggy (if piggy it be). Said "piggy" features in the aforementioned tome Tantra Art, thus proving that Tantrum Art is nonsense, and that Tantra Art was indeed the one to provide George with inspiraton.
Going back to the old paint job, the "pig" is there too:


So, it's all clear now. Many Thanks to Sam.