The Perlses have been Manhattan dealers in 20th-century art for more than 60 years.
Manhattan dealers report brisk sales of new watches in the $25,000 to $75,000 range.
Diane Upright, another private Manhattan dealer, has done it all.
A Manhattan dealer was also interested in buying the collection, offering $10 million just for the art.
The Manhattan dealer says, "For security reasons we cannot mention a specific dollar value."
Richard Feigen, another Manhattan dealer, said he didn't believe prices would rise.
Manhattan dealers have invited some of their European colleagues to share their spaces.
"It's all about break-up value," said a Manhattan dealer, who spoke on the condition of anonymity.
Michael Ward, another Manhattan dealer, said he believed the collection was of little value in today's market.
It generated quite a bidding frenzy when four Manhattan dealers all saw a good buy at once.