2021 Penrhyn
ASSORTED ARTIFACTS
Smithsonian, ....for the Increase and Diffusion of knowledge.
Images from: Paleontology, Chandra X-ray Observatory, National Zoo, Butterfly Pavilion, Global Volcanism Program, Smithsonian Gardens, African Art Collection, Aviation - At the Controls, Smithsonian Libraries & Archives, American Enterprise.
Issued May 5, 2021 - Set of 2 Stamp Mini-Panes
MINT NEVER HINGED
