A sheet of labels. The labels are red, white, and blue with an envelope with wings.
A sheet of air mail labels. People attach these labels to envelopes the send via air, but they were not always necessary. The labels say "via air mail" and have an illustration of an envelope with wings.
U.S. National Park Service
This digital asset is in the public domain. When using this asset for any purpose, including online, credit: 'Harry S Truman National Historic Site.'
Harry S. Truman National Historic Site, Code: HSTR
Harry S Truman National Historic Site, Independence, MO
Harry S. Truman National Historic Site, Jackson County, Missouri Latitude: 38.9012985229492, Longitude: -94.5307006835938