Technical Fender Skirt ID

Just wondering if anyone knew what these fender skirts fit. They're about 30 1/4" x 10 1/4"inches. Thanks

 

51 52 Chevy passenger car it appears

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Thank you

 

I meant to upload this photo of the window garnish/trim that was laying next to the fender skirts also. Maybe someone will know what it fits also.

 

1940 GM "A" body