"In the main room, Ruhlmann exhibited another example of this piano, " Zemaitis said.
WSJ: Rare Ruhlmann piano to be auctioned in NYC
2.
Sotheby's says the piano is one of only six Ruhlmann pianos whose whereabouts are known and one of three that are similarly shaped.
WSJ: Rare Ruhlmann piano to be auctioned in NYC
3.
Both men focused on the same handful of Deco masters, including Ruhlmann and Gray, so the Greenberg sale could offer a fresh test of their asking prices.
WSJ: Christie's to Auction Steven Greenberg's Art Deco Collection