Nanna-up-north, I have one of my aunt's quilts she made and used in her own home. It was a butterfly just like the one you just finished. She was my mother's younger sister and has been gone almost 20 years now. I am glad you got the quilts instead of the trash or someone else who wouldn't appreciate them. I think my aunt probably made her butterfly quilt in the '40's or at the latest in the early '50's.