Right you are, son! I'll keep your tip private. How much are you putting on him?"
"All except twenty pounds," said the boy. "I keep that in reserve."
The uncle thought it a good joke.
"You keep twenty pounds in reserve, do you, you young romancer? What are you betting, then?"
"I'm betting three hundred," said the boy gravely. "But it's between you and me, Uncle Oscar! Honour bright?"