This guitar is a magnificent beast -- it has a nice slender neck, a snappy ebony fretboard, and a Bigsby that does not pull the guitar out of tune every time you use it. Even though the guitar is 42 years old the pots work noiselessly; the fretboard is fine; and the pickups sound great (not sure what kind they are; tarbacks perhaps?)
Gibson referred to this guitar as a "limited edition" SG Standard, as it features an unbound ebony fretboard. As it is not clear whether Gibson made any Standards with a bound rosewood board during 1974-75, "limited edition" might be somewhat misleading. But that's what they called it.