This vintage 1970s prairie dress can be attributed to Gunne Sax brand. It is prairie and cottage core chic. The dress has a bottom lace layer, and pearl details.

Dress Details
Brand: Unbranded, attributed to Gunne Sax
Color: Ivory, white 
Size: XXS/ XS (no size tag found) all approximated
Material: Lace, cotton lining (?)
Sleeve Type:  Long sleeve
Collar Type: High neck, turtleneck 

Measurements of the garment laid flat
Shoulder to shoulder: 13 inches 
Armpit to armpit: 15.5 inches 
Waist: approximately 12.5 inches 
Sleeve length (center back to sleeve end at wrist): Long sleeve,  30 inches 
Wrist 
Shoulder to bottom hem: 53 inches 

Other Details: Lined, with zipper closure in back, ribbon belt
Condition: Good condition overall, but there's some minor stains on the left sleeve (see photo), stain in front bottom lace layer (see photo) and fraying in the lining's hem (see photo)

Thanks for looking, good lookin' !