Help with mortise

A home owner from Miami florids says:
The lock has no name no numbers at all. They told us at Home Depot it's a morfise lock but none of the ones I've seen line up with these holes.
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Emily from SWISCO responded:

Hello!

This reminds me of our 40-213. Compare our dimensions to your original mortise lock to see if this matches up. 

How to flip a storm door mortise latch.
How to flip a storm door mortise latch.
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