Patio Door Lock - replacement

A quick learner from Whitby On says:
Does not look like this latch is removed threw the latch opening.
Cant find mo # on door or visible part of lock assembly
Can you help.
Thx very much
User submitted photo of their door hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thank you for posting. I'm afraid I'm not familiar with the handle and lock set in your photo. My first thought is that you have an internal mortise lock like our 82-218 or 82-223, but it's hard to be sure. Look on the edge of your door and see if you can remove a cover plate to access the mortise lock. That's the easiest way to confirm.

As for the handle itself, see if you could use something like our 82-073 as a replacement. However, it may be best to see more photos of the handle and lock set removed from the door to help us identify a better match.
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