Window crank and screw holes

A home owner from Vero Beach, FL says:
Hi,
I have an old window crank with three screw holes.
Your Pan/Am Daryl Window Crank looks similar except the screw holes do not match.
Attached photos show my crank with a single screw on top and two screws, diagonally apart, on the bottom.
Can I use your crank or do you have something that matches my crank?

Thanks for your help.

Chuck
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Dave Sr. from SWISCO responded:

Hey, Chuck, thanks for posting. Please take a look at the 39-054 operator. See if this one matches up to the one you need. Make sure to compare dimensions as well as the style of the link arm. 

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