"I didn't notice it," I said, resignedly. "What was it?"

"That she was accustomed to opening the drawer with her left hand, instead of with her right. After that, there could be no further doubt. So I discovered the drawer very simply. It had to be there."

"Yes," I said; "and then?"

"Then I removed the jewels, took them down to a dealer in paste gems and duplicated them as closely as I could. I had a hard time getting a good copy of this big rose-diamond."

He picked it from the heap and held it up between his fingers.

"It's a beauty, isn't it?" he asked.

M. Pigot smiled a dry smile.

"It is the Mazarin," he said, "and is worth three million francs.
There is a copy of it at the Louvre."

"So that's true, is it?" I asked. "Crochard told us the story."

"It is unquestionably true," said M. Pigot. "It is not a secret—it is merely something which every one has forgotten."