Here is a picture of the matched and pinned top folded edges of the exterior and the lining:
I only machine stitched the long front and back sides, because it is to difficult to make a nice , clean turn for the short sides, where the center pocket is attached.
The front was easy:
The back was more difficult . I took the stitches out at least 3 times, before I had a straight line where I wanted it.
I finished the side seams by hand, using an (almost) invisible stitch.
As a finishing touch, I added a beautiful removable brooch.
Here is my stylish evening clutch:
This everything wristlet is worth the effort.