Getty, Phila. PA Window crank handle

A handy person from Macedon, NY says:
~ 1950. Looking for 10, need 7. Cannot find locally - can you help?
User submitted photos of a window operator han
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
It's hard to say. I don't recognize this handle off the bat. Can you tell me the size of the spline? Could we also perhaps see a couple pictures of the operator itself? That will help us. In the meantime I've related a couple options you can consider, which you can see on the right side of the page.
How to install a wood casement window crank
How to install a wood casement window crank
GUIDE
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