I yawned. "His uniform tells me he is a colonel of the Guard."

"But nothing else?"

"I can read a bit more."

"From the uniform?" he asked.

I nodded.

"You're a veritable Daniel," Courtney laughed. "What saith the writing—or rather, what saith the uniform?"

"It's very simple to those who read uniforms."

"So!" said he. "I await the interpretation."

"It's too easy," I retorted. "A Point Plebe could do it. Your visitor was one of His Majesty's Aides-de-Camp bearing an invitation to the ball at the Palace to-night."

For once I saw Courtney's face show surprise.