Storm door latch replacement (unknown manuf)

A home owner from Cockeysville, MD says:
Don't see any markings. Really hope to use existing holes when replacing. Thanks for any help you can provide.

Bill
User submitted photos of storm door hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
I don't believe your handle is still available. We carry the 40-131 , which is similar, but it does not have the key cylinder to unlock the dead bolt from the exterior. It may not work for your door.
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