• Jason Rabin, the apparel mogul who sold his company less than two months ago for $401 million, has now unloaded his duplex at 850 Park Avenue, too. Ten months after listing the five-bedroom, 5,600-square-foot apartment for $9.9 million, Rabin and his wife Nicole have sold it to Martha Stewart Weddings editorial director Darcy Nussbaum and her husband, attorney Andrew Nussbaum (left) for $6.225 million. [Cityfile]
• John McColgan and Moya Doherty, the husband-and-wife team behind "Riverdance," have sold their duplex penthouse at 1080 Madison Avenue, albeit for substantially less than they were hoping for when they first listed it for $10.5 million in July 2008. The four-bedroom pad sold for $5.85 million, or $4.65 million less than its original asking price. [Curbed]
• Jay McInerney has paid $1.4 million for a two-bedroom Sag Harbor cottage, which he plans to use as a "writer's retreat" and "children's playhouse." [NYP]

• Pro golfer Vijay Singh and his wife, Ardena Seth, are paying $5.675 million for a penthouse duplex at 55 West 59th Street. The 3,369-square-foot pad was listed in June for $6.9 million. [Real Deal]
• Joan Raines has closed on the sale of her late mother's townhouse at 5 East 78th Street, albeit for a lot less than the $23.5 million she'd been seeking last year. The 13,095-square-foot Barclay Mansion, which had been dropped down to $18.5 million before going into contract in June, sold for $15 million to a limited liability corporation registered to the same address as the Blue Note Jazz Club in the Village. [NYO]
• Apparel mogul Jason Rabin and his wife Nicole have cut the price of their duplex at 850 Park Avenue for the second time since putting it up for sale for $9.9 million in February. The 5,600-square-foot pad, which the couple bought last August, is listed for $7.9 million with Carrie Chiang. [Cityfile, Corcoran]
• Tunde Folawiyo, the son of a Nigerian tycoon, has paid a combined $10.1 million for three condos in the Centurion at 33 West 56th Street. [NYO]

• Albert Hammond Jr.'s East Village apartment has gone back on the market. Hammond originally listed the two-bedroom pad at 141 East 3rd Street for $1.199 million last August, and went into contract to sell it before the buyer dropped out. He later re-listed it for $999,000, but then took it off the market altogether in January. It's now back—and cheaper than ever. Hammond's apartment can be yours for $899,000. [Cityfile, Corcoran]
• Warhol muse Jane Holzer has finally closed on the sale of her apartment at 23 East 74th Street. The five-bedroom home, which hit the market last June for $22.5 million, had been reduced to $16.9 million by the time it went into contract in March. The deal has now closed: Apparel mogul Jason Rabin and his wife Nicole picked up the apartment for $14.1 million. [Cityfile]
• Gossip Girl co–executive producer Joshua Safran has put his third-floor loft at 77 White Street on the market for $2.295 million. [NYM, Warburg]

• Ricky Gervais and his girlfriend, British TV producer Jane Fallon, paid $1.66 million for a one-bedroom condo at the converted Barbizon hotel at 140 East 63rd Street. [Page Six, TRD]