“After he’d mounted Obock J1, he called Julia in and showed it to her, and she admired it extravagantly.
“It’s like when somebody shows you their new baby,” Keller said. “You have to say it’s beautiful, because what else are you going to say?”
“All babies are beautiful.”
“And all stamps, I suppose. That’s the original on the right and the reprint next to it. They look the same, don’t they?”
“I bet their mother could tell the difference,” she said.

From a newsletter that just went out to the Philatelic list. You can read it on Keller’s Page