Vintage Bill Blass Jean Shorts Light Wash Mid-High Waisted Jean Shorts, Size S/M. Marked a 6, and close to modern day sizing, if not a little larger.  Rise is 10 1/2" so mid to high waisted.  Shipped with USPS First Class Package.

Flat across front in waist:  16 1/2"
"                         "   Hips:  19 1/2"
Rise:  10 1/2"
Inseam:  5 1/2"