Of course the clue here was "Driver", another kind of club, which is longer and bigger than an iron, giving it more heft as it were to drive the ball forwards at speed.
Have found a bit more about these, the two sets, each of ten cards, were issued in 2019 and there was also a set of European Footballers, maybe two, again from artwork by Ed Carter, who I now know also draws footballers - check out Two Hundred Per Cent. But I still dont know where Epic Cards were based or what happened to them. If you know more do please tell me.
Our subject, Jack Brabham, is well known to all motor racing enthusiasts. But if he is not know to you check out his F1 fansite