A luxury Manhattan mixed-use rental property with entirely market-rate apartments has been listed for sale — a rare offering — as New York’s rents reach new highs. The 57-story property, named Aalto57, is a 169-unit rental property at 1065 Second Ave. that spans a full block between East 56th and 57th streets, according to marketing materials from JLL, which is overseeing the sale. Built in 2016, the property also includes 66,513 square feet of large-format retail space.