Yesterday I was turned off by the largely irreversible fugliness of this Long C 12-piece extra deep socket set I spotted in a bottom drawer of a stack at the flea market. Today I went back and took a longer, more bright-eyed and bushy tailed look, and brought it home with me. (A little miniature version of our thread host's avatar, but with horns, may have been whispering in my ear.)
As you can see, most of the sockets are riddled with box rot and cancerous pock marks and scourges. They do seem to have developed on one "side", probably face down for years, although some of those areas appear to be near markings, unfortunately. The box is just south, for me, of that fuzzy marginal 'do I restore (i.e., strip and repaint it) or preserve it?' line. About 40% original paint coverage and even better inside the lid. I'd actually be okay with that if it had more of the decal, but as is, I would probably put it in my prestorve category, where I would restore it, but then age it, and stick a repro decal on it, and then age that, too. Mainly because I dislike glossy brand spankin' new looking boxes that don't match the condition of the contents, and I will not grind and polish old tools.
Guessing BE, but I suppose it could be (H). I'll know more when I have them more presentable. I suspect the PO was using the Walden L handle, although it was not in the box, but the same drawer. Unless I flipped it, I think I may have one to stick in there.