Caption on back "In a quiet standoff, about 50 demonstrators were met by police at the Presidio's gate in San Francisco. No arrests were made, but a letter of warning was read to the gathering." Photo shows an officer standing on one side of barricade. He wears a riot helmet and carries a baton. On the barricade is a box covered with an American flag. It is supposed to be a coffin. People stand on the other side of the barricade. One person carries a flag with the peace symbol.