What is the best 20-step or higher switch for TVCs, only made of either pure silver or heavy silver plated copper?

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I am seeking for a switch where all the vital elements are either fully made of silver, or it is a heavy silver plated copper.
any other combinations, inc gold, iron, bronze, brass etc are excluded in this search.
Elna, Seiden, Shallco and similar are all disqualified as they also use materials not known for sonic excellence. Shallco is sonically inferior to Elna for example.
so far i have managed to find the following:
http://www.hificollective.co.uk/components/potentiometers.html
scroll down right for
Audio Note 2 pole 23 way switch
As used in the Audio Note 23 way stereo stepped attenuator, silver plated contacts. Suitable for series stepped attenuators and transformer passives. Very high quality.
PRICE
AN 23 way stereo switch - Â£51.70+vat+p&p
(a bit above the similar switch is offerred with resistors and there it clearly says it is made of silver plated copper)

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Topic - What is the best 20-step or higher switch for TVCs, only made of either pure silver or heavy silver plated copper? - gordan 16:07:59 04/12/07 (1)

Ever find one? - Quiet Earth 20:28:02 04/18/07 (0)

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