"Colmanara" Masai Red was registered as an unknown cross - Colmanara was just a guess, and probably chosen more for the commercial recognition of Colmanara Wildcat and others at the time than any thought to actual parentage. That registration was withdrawn when it was determined (How? I don't know.) to be the same cross as Oncostele Midnight Miracles (Rhynchostele bictoniensis x Oncidium cariniferum). Colmanara is no longer used in current registrations. If the award for Oncostele Midnight Miracles 'Masai Red' HCC/AOS is real it may have been the same original clone known as Masai Red, or not, but it is a poor cultivar name either way, possibly deliberately chosen to cause confusion, hoping to cash in on the widespread sales under the Masai Red name and maybe even prevent others from using it.

As Geoff pointed out, it resembles a big dark form of Rhychostele bictoniensis, as do an array of similar hybrids. From this picture alone I wouldn't positively identify which one, though I have no doubt about Rhynchostele bictoniensis ancestry.