Shell money most valued by the Native American tribes of the Pacific Coast from Alaska to northwest California was "Dentalium shell", a species of long narrow marine shelled mollusk, a tusk shell or scaphopod. The tusk shell is naturally open at both ends, and can easily be strung on a thread. This shell money was valued by its length rather than the exact number of shells; the "ligua", the highest denomination in their currency, was a length of about 6 inches. Farther south, in central California and southern California, the shell of the olive snail "Olivella biplicata" was used to make beads
Decorative box The box is then covered with decorative paper. Gift boxes can be dressed with other gift packaging material, such as decorative ribbons and gift tissue paper. The most common type of decorative box is the feminine work box. It is usually fitted with a tray divided into many small compartments for needles, reels of silk and cotton, and other necessaries for stitchery. The date of its origin is unclear, but 17th-century examples exist, covered with silk and adorned with beads and embroidery. No lady would have been without her work box in the 18th century. In the second half of