Ron Shaffer and Lewis M. Simons of the Washington Post won the Grand Prize in writing in the 33rd annual Washington-Baltimore Newspaper Guild Front Page Awards Competition, it was announced yesterday.

Paul Schmick of the Washington Post won the grand prize in photography.

Lance Gray of the Star won the Frank C. Porter memorial award for labor reporting.

Shaffer and Simons, won the prize for their investigative series on Pride, Inc. They also won first place in the Investigative category for the series.

In the Features category, first prize went to Loretta Tofani of The Post for her story on a drug "shooting gallery" in the District.

In announcing the award the Guild noted that the judges were particularly impressed with the courage displayed by Tofani in covering the story.

Honorable mention in the features category went to Karlyn Barker of The Post.

First prize in the public service category went to Kenneth Walker of the Star.

Honorable mention in that category went to Susan Okie of The Post and Paul Clancy and Jame Mayer of The Star.

In photography, the first prize for the picture story category went to Ken Heinen of the Star. Honorable mentions went to Jed Kirschbaum of the Baltimore Sun and to Douglas Chevalier of The Post.

Grand prizes in photography and writing carry a $100 award and a plaque.

Winners will be honored at a dinner Oct. 11 at The Hyatt Regency Hotel here.