Native American and Southwestern Jewelry

lot of 2, includes:

an example with stamped shank and single stone accented with stamped appliqué; not marked
width 1-5/8 inches, interior circumference 5-1/2 inches + gap length 7/8 inch, weight 32.9 dwt.

lastly, a split shank example with simple turquoise setting; marked with a broken arrow hallmark DB STERLING
width 1-13/16 inches, 6-1/8 inches + gap length 15/16 inch, weight 44.8 dwt.