Ed's lips part, but, for a moment, he's speechless.

He smiles warmly instead and nods slightly. "I have the puzzle box. And the frame with our certificates." Duplicity had been very pointedly not allowing Ed to forget the man he left behind.

"Those and my switchblade. It was reassuring, knowing I wasn't unarmed here." He understands why Oswald had taken it, because it was the same reason he had kept it in his pocket at all times.