I have attached photos of 1. Door Inside, 2. Door edge, 3. Door outside, 4. Strike plate.
Dimensions:
1-8 5/8" x 1 5/8". 2 screws Inside
2-10 7/8" x 5/8". 6 screws// 2 pieces, split at latch opening (latch broken) Door edge
3-same as #1. No screws outside
4-8 1/2" x 2" . 3 screws strike plate
The brass atrium door lever #82-400 looked similar on web.