Here's Blues Box 2 that you've all be waiting for. Most, if not all, of these tracks where recorded in New York using the best of the Jazz players around at the time. In the liner notes BOX 3 is mentioned but it was never released possibly to low sales figures of the first 2 boxes.
Tracklist in the comments.
disc 1: https://krakenfiles.com/view/3c72615f6d/file.html