There have been some big price chops for an apartment at 740 Park Avenue, one of New York’s most iconic co-ops, once lived in by Jacqueline Kennedy Onassis herself. The former first lady — whose grandfather developed 740 Park in 1929 — lived in this apartment between the ages of two to seven. It is now owned by David Ganek, a hedge fund manager, who has used the Rosario Candela-designed co-op as a home for his impressive modern art collection. He first listed it in 2014 for $44 million, and now it’s on its third price chop down to $29.5 million.

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