This pattern is a faithful replica of an antique sampler stitched in 1888 by Marie Agenon. I do not know much about Marie apart that she stitched a very similar sampler a decade later.
The sampler is charted exactly like the original with the small flaws and misalignment included.
Design Area: 154 x 140 stitches
If stitched on 28 ct linen/ 14 ct aida the pattern will measure:
11" x 10" / 28 x 25,5 cm