Pattern for place mats

I found this in an old issue of the Modern Priscilla magazine (July 1928), and I think it's charming. I've photographed it as best I could and I plan on trying to enlarge it so that I can make a pattern big enough to trace.

The text says:

Embroider it in three shades of green as suggested in the picture or in three
shades of blue as planned by the designer. The effect with either
color against the shiny white cloth is delightfully cool and with edges blanket
stitched and finished with a crochet edging is all there is to it.
The complete set consists of one 18 inch centerpiece, four 12 x 17
inch napkins, and four 18 inch napkins, stamped on pure white linen finish Art Cotton.