Joan Collins Puts Her Midtown Co-op on the Market The three-bedroom, three-bath apartment at 110 East 57th Street, which the “Dynasty” star and her husband had used as a pied-à-terre, is being listed for $2.095 million. Image Percy Gibson and Joan Collins at the Chanel pre-Oscar dinner at the Beverly Hills Hotel last February. Credit...Willy Sanjuan/Invision, via Willy Sanjuan/Invision/Ap The actress Joan Collins is selling her longtime Manhattan pied-à-terre, a spacious co-op where she entertained a host of celebrity friends. Ms. Collins, best known for her role in the 1980s TV series “Dynasty,” and her husband, Percy Gibson, a film producer who also worked in theater, bought the apartment at 110 East 57th Street, a.k.a. the Dorchester, as newlyweds in early 2002. They moved in about a year later.