Phrag. Nights in White Satin is Phrag. Alien Syndrome x wallisii, so this hybrid is 50% wallisii, 25% popowii and 25% klotzscheanum. This particular plant has a lot of pink/red pigments:
That is exceptionally exquisite. Certainly one of the best heavily "caudatum-group" dominated hybrids I've seen, if not the best. I bet it's a wonderfully compact grower as well, unless it picked up on those creeping klotz rhizomes.