propeller identification

I recently purchased a propeller blade and I was hoping for any information that people can provide. I am still working on deciding how to finish it so any information on paint or finish would also be appreciated. There are quite a few similar props, so I want to try and be as accurate as...

My Grandmother had this wooden propeller in her garage for as long as I can remember. Years ago before she passed she told me that I cold have it. It has been sitting in my attic for probably 10 years or so. She lived in Mamaroneck, NY, but I'm not sure if that is where it originally came...