• Joan Rivers has put her duplex penthouse at 1 East 62nd Street up for sale. The 5,190-square-foot aerie, which comes with "original architectural detail painstakingly restored by museum-trained artisans" and an outdoor garden, is on the market for $25 million. [NYT, Sotheby's]
• Calypso founder Christiane Celle and her husband, Antoine Verglas, have lowered the price of their Lafayette Street penthouse. The apartment, which went on the market for $13.99 million in January and was reduced to $11.99 million in March, is now listed for $10.65 million. [Cityfile, CBHK]
• Chrysler president James Press has put his East 64th Street townhouse up for sale. Press bought the home last year for $13.5 million. He's now looking to sell it for $15.7 million, or rent it for $35,000 per month. [NYO, Halstead]