I recently had a batch of Neptune Jewels tissue cultured from flower stalks bloom. It was rather disappointing that a number bloomed as NJ (Neptune Jewels) Sport A. Several years ago I had a Sport that had what I would consider an exceptional bloom (NJ Sport B) which I lost the plant and have never seen it sport like that again.
I added theses two sports to my photo collection of Sports of Chimera African Violets.
Click on this link for the images of sported or mutated chimeras