Other big tickets to tempt the collectors include Hirst's foil butterflies at the Paul Stolper Gallery and Julian Schnabel's large-scale Polaroids at Colnaghi, both of which opened this week.
The equipment of the shell collector includes some sort of tool to scrape away the sand or leaves; a knife to detach rock-clinging mollusks from their perches; a hammer and chisel to remove rock borers from their nests; a sieve to strain out specimens from shallow water; a notebook to record locality and ecological data; and a library of books on shells to aid identification.
The thermal parameters of this collector include solar cell temperature, outlet water temperature, thermal efficiency and useful thermal energy.
The effect of interface between the active plate and the current collector, including both the perfect and imperfect cases, is investigated.
Avila had come up empty, but it was Marciniak's lists that may establish a key piece of circumstantial evidence in the case against Vendetti — three of the comics that he'd put up for sale online match those stolen from the late collector, including that issue of "The Human Torch".
In fact, a recent high-profile lawsuit by a Miami art collector included the assertion that he'd been blacklisted by an artist who disapproved of his buying and selling habits.
The scores, which belonged to an anonymous Polish collector, include works by Verdi, Josef Rixner, Carl Robrecht, Heinrich Strecker and Franz von Suppé.
Other benchmark machines catching the attention of collectors include the Kawasaki Mach III introduced in 1969, and the 1972 Suzuki GT750, both powered by two-stroke three-cylinder engines.
The collector Charles Saatchi included it in the 1992 exhibition Young British Art, a show that propelled Whiteread and contemporaries such as Damien Hirst.
The two firms handle art purchases and sales for some of the world's biggest collectors, including Ronald Lauder, the cosmetic's heir; David Geffen, the entertainment industry billionaire; the publisher S. I. Newhouse Jr.; and Paul Allen, the co-founder of Microsoft.
