PRESS PHOTO BY C. RICHARD CHARTRAND In celebration of its new Next Generation restaurant in Allentown, the Dunkin' located at 3111 Lehigh St. welcomed guests with a grand opening celebration Jan. 26. The restaurant surprised the first 100 guests with free coffee for a year giveaways. The celebration also included a free medium hot or iced coffee offer 10 a.m. to noon. ABOVE: Guests to the new Dunkin' on Lehigh Street are greeted by Cuppy, Dunkin's mascot.