Vintage Tohono O'odham Tray buying Basket

This vintage Tohono O'odham Basket is from the 1970's.
It is from a collection that my father put together buying and was purchased in Southern Arizona.
The inner coil is made from Bear Grass and the design weft is Yucca. All the colors for this type of basket are natural. No dyes were used.

Size is 6-1/2 X 5 X 5/8 Inches
Excellent condition.