The limited-edition cards carry designs created by the winners of an online contest, who won donations to their charities.
The company will donate $1 to the Dunkin' Brands Community
Foundation for every card purchased during May and June up to a maximum of $5,000.
Cards for Mother's Day, which is May 11, are available now. Cards for Father's Day, which is June 15, go on sale
May 15.
--Nina M. Lentini