Two Palm Beach sellers have bought each other’s properties with simultaneous closings. Jackson Real Estate Partners sold the five-bedroom house at 115 Parc Monceau to attorney Peter Broberg, trustee for the Orchid Island Trust, for $4.75 million. Broberg sold the vacant parcel at 1940 S. Ocean Boulevard in Manalapan to Jackson for $5.475 million. The Parc Monceau property was first listed for $5.75 million and then saw a price cut to $5.69 million before selling. The South Ocean Boulevard property was first listed for $6.95 million before its price was cut to $5.95 million.