Editor Jane Keltner de Valle isn't buying into the It bag trend—but what is she buying? The new forever bags. Four shapes she can bank on—this year and every year. Coach Classic City bag, $278, coach.comFirst introduced in 1987, the Coach Classic City bag clearly stands the test of time. Mark Cross Large Grace shoulder bag, $2,495, farfetch.comA red bag, like this one inspired by the Overnight Case Grace Kelly used in Rear Window, works with every outfit in your closet. Trademark, $528…
