"Very serious, very serious," the gateman said, shaking his head also. "You can't get in without a reason." He thought for a moment and then continued. "Wait a minute; maybe I have an old one you can use." He took a battered suitcase from the gatehouse and began to rummage busily through it, mumbling to himself, "No ... no ... no ... this won't do ... no ... h-m-m-m ... ah, this is fine," he cried triumphantly, holding up a small medallion on a chain. He dusted it off, and engraved"