GUEST: My grandfather was president of the Wright Corporation, that made engines, and he built the engine for Lindbergh's flights, a lot of his trips. He built the engine for the trip to Paris.

APPRAISER: That was the trans-Atlantic flight.

GUEST: Yes, yes.

APPRAISER: And how did your grandfather get these pieces? Was it sent to him, they were mailed?

GUEST: I don't really know.

APPRAISER: Okay, you can see on the top, it says, "We carried this flag from New York to Paris," and the date, which was the trans-Atlantic flight, and signed Charles A. Lindbergh. And it's interesting, because "We" was the title of one of the books that Lindbergh did about his trip.

GUEST: That's right.

APPRAISER: And then down here, you have a second Lindbergh signature. And this is something he wrote out, it says, "Carried from New York to Paris," and then here's an envelope where it was sent to the Wright Corporation. So it all ties the whole package in. This was an iconic flight, keeping in mind that nobody had flown across the...

GUEST: Atlantic before.

APPRAISER: ...Atlantic before. As a collection, I would probably put the auction estimate somewhere between $6,000 and $9,000.

GUEST: (laughing)

APPRAISER: With the bulk of the value being the flag and the two Lindbergh autographs.

GUEST: Wow, thank you.