Each Smithsonian twist-top rollerball pen has the Smithsonian logo engraved on the top ring and sun logo
on the top disc. A serial number is engraved as well on the top ring and each pen is packaged in a matching
commemorative tube.
The National Zoo’s Panda features multiple pandas printed on the lightly textured lacquer barrel and
finished with antique silver accents. 2022 marks fifty years of Panda Conservation at the National
Zoo in Washington D.C
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