The propeller was appraised at a quarter of a million dollars in 2013.
But because it is the only one of its kind, Hall of Fame officials say it could actually be worth much more.
“People are saying this is worth seven figures, easy,” said NAHF President and Vice Chairman Michael J. Quiello.
Turner and the Hall of Fame have been in an ongoing battle since the group announced last year it was moving its enshrinement ceremony from Dayton to Texas.
Turner claims the organization is in ‘financial crisis’ and wants to make sure it doesn’t sell any of its artifacts.
The eight-foot-and-a-half-foot-long wooden propeller has something Hall of Fame officials say no other airplane artifact is known to have: The signature of Orville Wright, who with his brother Wilbur invented the first practical airplane.
LEARN MORE ABOUT THE PROPELLER AND WATCH VIDEO
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