shellackophile.blogspot.com wrote the previous comment, and adds this about ML-4010, 4012, 4014, 4015 and 4016 that I recently posted.
These are my next two Columbia Masterworks ML lps, ca 1950. I also repost the picture of the copy of the 78 rpm set that I own of one of them. I imagine the other one is a 78 set reissue as well. I always find the 78 sets more beautiful than the lp reissues.