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Please specialists and experts to evaluate the sale work KELLER Peter Stepanovich Sara in the village Mishkino, K /M, 1970.

Thanks for the tip, learned something new, I saw that perhaps someone has made for him to sign the papers. Tell my what it means to make an bid "? Prices of course nowhere more understated. At the auction SOTHEBYS in 1991 while still alive were sold at £ 500-700. By the end of the 90 galleries in London to buy his work an average 2000f

Make a bid on this lot, in other words.
Bid (in English bid) means the proposed price, the application.

Added after 6 minutes
About Sotheby, s do not know, but that's Bonham, s:

I do not know how to invest in response to the photo directory Sotheby, s try if it does not try again.

I think that from 60 000 rub.

Cyril YOU pros and I'm not even a "celebrity" and now in 2010 rather than 1990. Just try to find out more, not to be burdock. Therefore, the openly appealed to the pros. Always read your good advice and very sincere respect you as a specialist. I try everything I do or do, do very well. And if I know something, what you did not know I'm always pleased to share with you.
Even during his lifetime came to the British (museum workers) in Rostov, and in all possible ways of buying up. And after the death of someone managed through intermediaries to buy what was left.
Maybe it's Valery Dudakov, possessor of one of the most extensive collections of Russian art ... holds collection of Russian avant-garde artists beginning of the twentieth century, an expert auction Sotheby's CEO and "The New Hermitage. Thanks to him and for his articles about TS Keller.
 In "Russian Portrait" from 16.11.2009 a good article about Keller, FS "Gallery Two"