Here's an excellent photo of Walt Disney and Salvador Dali admiring what I presume to be Walt's model train. It was likely taken around the time of their collaboration, Destino. Production on that film began in 1945 but it didn't premier until 2003. (Thanks, Mark Pedersen!)
David Pescovitz is Boing Boing's co-editor/managing partner. He's also a research director at Institute for the Future. On Instagram, he's @pesco.