Belloq, when presented with a vase, immediately wants to inspect it, judge its age, its provenance.

But this isn't an artifact he dug up; this is a gift. And as Saint Jerome wrote, equi donati dentes non inspiciuntur. Don't look a gift horse in the mouth.

"Thank you, Wander. It's very beautiful. I shall keep it in my office so I have something lovely to look at when I'm down in that dusty museum basement."