ADDITIONAL NOTES FOR THIS DESIGN
Currently Documented Version Characteristics:
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Each supplemental set design is based upon at least one of the designs in the primary series.
It consists of two basic parts, the background image and an overlay image.
Occasionally, the background image may be enhanced with highlights included on the overlay plates,
but here the third color is used only on the overlay design.
For wfx7, the silhouette of wf15 was used as the background image.
Typically for the supplemental set, the overlay image for wfx7 shows a species represented in another design in this series,
but in an entirely new composition.
Background: Water Lily, Nymphaea
Overlay: Foxglove, Digitalis cultivar
Other Water Lily Designs:
Other Foxglove Designs: