David Oscarson 15th Anniversary/American Art Deco Rollerball Pen -Translucent Citrine with Multi-colored Enamel. The 15th Anniversary collection is a celebration of the American Art Deco motif and 15 years of excellence in design. This collection has incorporated fifteen sections of guilloche engraving, each taken from ten of the 21-plus collection designs over the past fifteen years. The writing tools are crafted in .925 sterling silver, and incorporate multiple levels of diamond-cut guilloche engraving and a combination of translucent and opaque hard enamels. The 15th Anniversary collection is the twenty-second in the David Oscarson series of limited edition writing instruments, available in five primary colors, each color is limited to 150 pieces (including rollerball and fountain pens). Add one of these pens into your collection.