To celebrate summer, Dunkin’ Donuts is treating Bostonians to a free bakery sandwich and beverage samples! Dunkin’ Donuts will host a sampling event on Boylston Plaza on Wednesday, June 6, 2012, from 12:00 p.m. – 1:30 p.m. Guests are invited to enjoy FREE Dunkin’ Donuts Bakery Sandwiches including Tuna Salad Sandwiches, Chicken Salad Sandwiches and new Roast Beef Sandwiches. Iced Tea or Iced Coffee samples will also be available. Music and prizes provided by Country 102.5. Event takes place rain or shine!