• Corrugated cardboard magnate Dennis Mehiel has chopped $5.4 million off the price of his Carhart Mansion duplex (left). The 10,350-square-foot spread, which had been listed for $34.9 million, can now be yours for a much more modest $29.5 million. [NYO, BHS]
• Michael Steinberg, a portfolio manager at Sigma Capital, a hedge fund affiliated with Steve Cohen's SAC Capital, has picked up a new apartment. Steinberg and his wife Elizabeth paid $8 million for a penthouse at 885 Park Avenue. [Cityfile]
• Clara Markowicz, co-founder of Original Media LLC and a co-producer of The Rachel Zoe Project, has paid $3.55 million for a three-bedroom, ninth-floor apartment at 21 Astor Place, the building where real estate scion Jared Kushner recently picked up an apartment, too. [Cityfile]

• Anthony Sbarro, heir to the pizza empire founded by his parents in the 1950s and a vice chairman at the company, has sold his 1,600-square-foot apartment at the Essex House on Central Park South for $3.25 million. [Cityfile]
• After ten months and three price cuts, financier and philanthropist Eli Broad has decided to take his full-floor apartment at the Sherry-Netherland off the market. The two-bedroom co-op, which Broad first put up for sale last August for $15 million, had most recently been listed for $10.95 million. [WSJ]
• Money manager Raymond Cubero and his wife, Kathleen Comerford, have put their Trump Tower duplex on the market with Paula Del Nunzio for $14.995 million. [NYO, BHS]

• 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]

• Renée Zellweger has paid $2.8 million for a second-floor apartment at 24 East 82nd Street, making it the third unit she's bought in the building since 2007. The seller was Ruth Tyrangiel, one of Bob Dylan's former lovers. [NYO]