The star of the show this one, very rare, described as unlikely to be bettered. This is the Moog-y-est of Moogs, the Daddy if you like.
"The system includes:- three 901 VCOs, 901A VCO driver, four 901B VCOs, 903 White Sound Source, two 904-A LPFs, 904B HPF, 904C filter coupler, three 902 VCAs, three 911 envelopes, 911A dual trigger delay, 907 10-band fixed filter bank with unique original switching system, and five-octave keyboard with portamento. It comes in two original cabinets, beautifully made."
Went for a whopping £21300