Help with Prop please

[cstreet465]

Does anyone know is this a real prop I'm going to an auction tonight and don't want to bid on a fake prop Thank you

[cstreet465]

I should have said how long it is it's 43 h's and 7" wide

[martymayes]

It's a real propeller but I doubt it every flew on a real airplane.

[cstreet465]

Thanks

[Dana]

Looks homemade. Could be from a hovercraft or airboat.