Several collectors voiced the same view.
Also present were several collectors of Delaney's work.
Several collectors said they had been impressed by prices realized at an April auction of 70 Hopi artifacts.
The work has passed through several collectors since then, including Charles Saatchi, and is now in the National Gallery of Art in Washington.
Several collectors were on the premises, including one of the only serious collectors the R.S.P.B. had never been able to nab.
As of Sunday afternoon Mr. Libson had not sold the drawing although he said he has had serious interest from an American museum and several collectors.
And there is a darker shadow to his sunny personality, seen in hard core images he has published in one of several collectors's books.
She had raised money for production costs, persuading several collectors to commit to the "Any Ever" films sight unseen, in exchange for discounts on the finished work.
So far the project has been underwritten by several collectors, most of them in London, who will be repaid with a limited edition of magnum-size bottles when the wine is released.
