Unknown window hardware

A quick learner from Blissfield michigan says:
August 14, 2020
the only numbers on this crank is a # 1 with a circle around the 1.
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Bob from SWISCO responded:
August 19, 2020

This reminds me of our 39-175 Pella Operator. Take a look and see if you concur. 
Sash Crank Operator, Pella
Sash Crank Operator, Pella
39-175
$241.70
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