TANNOY: Value of SGM 10B Super Gold Monitors?

I have a nice pair of Tannoy SGM 10B Super Gold monitors that I'm thinking about selling, but not sure how much to ask. Couldn't find them in the Audiogon Bluebook and thought maybe you Tannoy fans would know. .

These were originally used in an LA recording studio and are 100% stock and in excellent shape. I had Chris from CK Speaker Repair in LA (the go-to guy for Tannoy)  go over the drivers and optimize them before having them shipped to me.

These have the drivers that Manley uses for their ML10 monitors, and am thinking that someone would either want them for the drivers or listen to them just as they sit, as they sound great. My understanding is that .....

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