Toymaker Mattel has made a special limited edition collectible Barbie to mark the centennial of the oldest black sorority in the United States. The doll will be introduced this week at the AKA convention in Washington D.C. The Alpha Kappa Alpha Barbie is to be dressed in a pink and green evening gown, matching jeweled shoes and gold jewelry. The Mattel doll will sell for $50 through the Barbie Collector catalog and the Barbie Collector.com website and retailers. The sorority will pocket a percentage of the sales. The limited-edition Alpha Kappa Alpha Centennial Barbie, the FIRST Barbie based on any sorority from Mattel.