Circular yellow filter with green leather case. The filter consists of a round pieces of yellow glass set into a copper frame. The back is finished with a glossy black substance. Three indentations are placed equidistant around the frame to secure the filter onto a camera lens.
The case opens with two metal hinges at the back. The top is slightly raised, and bears the white printed inscription, "Cramer's/Precision/Color Filters/St. Louis U.S.A." The interior is lined in blue satin (upper) and purple velvet (lower). The base of the interior is molded to fit the filter.
