Yes, Kezia saw that. All the same....

“There’s lots of things buried in the sand,” explained Pip. “They get chucked up from wrecks. Treasure. Why—you might find—”

“But why does Rags have to keep on pouring water in?” asked Lottie.

“Oh, that’s to moisten it,” said Pip, “to make the work a bit easier. Keep it up, Rags.”

And good little Rags ran up and down, pouring in the water that turned brown like cocoa.

“Here, shall I show you what I found yesterday?” said Pip mysteriously, and he stuck his spade into the sand. “Promise not to tell.”

They promised.

“Say, cross my heart straight dinkum.”

The little girls said it.

Pip took something out of his pocket, rubbed it a long time on the front of his jersey, then breathed on it and rubbed it again.