This kit is much cooler, with its transparent plastic power-ring hand and mid-air flying pose. I wish that it had been around back then. It costs almost 25 times what I paid for my discounted Superman kit, but hey, that was more than 35 years ago. Prices go up.
It's made by a company called Moebius Models, which manufactures a whole line of science fiction model kits and products. Check out their website.
I still have one unassembled Superman model kit left. It isn't in the original box, but all the parts are there. I really ought to turn it into something one of these days...
On a slightly different subject, I was just looking at the stats for this blog. Among the search terms that have brought people here, I found (twice) the phrase Green Lather Showcase comic. Should I be foaming at the mouth?