Design drawing for stained glass window with heavy-muntined, heavily-abstracted Christian theme, including Lamb of God, crowned rider, crowned Madonna

Annotations on drawing: GC 13.
This image is composed of 2 separate panels, possibly having been 1 object cut vertically at center. The edges at image center are unbound, whereas all external edges are bound with tape. The right-hand panel is labeled Lamb #2023a, the left-hand panel Lamb no. 2023b. Sticker: Gothic on #2023b.

Purchase, Donald Samick, 2003 (DLC/PP-2003:109).
Forms part of: Lamb Design Collection.
Confirm artist name. Initially listed as "Van Disteloff & Van Diestalkoff."