Amber is fossilized tree resin that has been appreciated for its color and natural beauty since Neolithic times. It has a soft feel compared to other gemstones and has been highly valued from antiquity to the present as a gemstone. It is made into a variety of decorative objects as well as jewelry. Reference: Wikipedia
Below are some examples and price guides of Art Deco amber items including an Art Deco snuff bottle and a multi-gem ring.