Butterfly Applique and Embroidered Antique Quilt Blocks - 13 of them - circa 1940s or 50s, vintage quilt blocks, handmade quilt blocks

Thirteen antique, circa 1940s or early 1950s, Butterfly Applique Quilt Blocks. There are discolorations/spots on several of the blocks that should come out with a soak - please see photos. Otherwise in good shape.

Each measures 9 inches by 9 inches.