Neofinetia Shigyoku is a bean leaf Neofinetia with sumi without associated anthocyanin. The blemishes are characteristic of the variety and add interest to the overall appearance. I suspect that the blemishes are somehow associated with the sumi, somewhat similar to the corky lines on some other sumi varieties.
Strangely, Shigyoku is a mutation of Neof. Ootakamaru, a more normal looking Neofinetia.
Shigyoku was recently found. I don't know whether it was an offshoot or a member of seedling population of a selfing or sib crossing.
Last picture was taken by Barampung with a good camera and light set up, the first 2 pictures by me after I received it and potted up the plant which of course was sent bare root. My camera is pretty poor and light set up non existent.