Hi Susan, I just saw the quilts that was posted the star quilt that your grandma made i want to say that fabric is the 1930's and the reason i say that is my friend had a star quilt just like the one your grandma made and it was pass down to her from a aunt who is now 90 yrs. old it was made by her great great grandma who was born 1860 i don't have a picture of it. the quilter that finish it up guess how old the fabric was. The quilt was given to my friend 1/2 yrs. ago. i hope i have help Annette