This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
EnvelopeMailServiceSaitamaPrefecturalGovernment. en The example of Mail service injustice use The Envelope of Mail service by Saitama prefectural government Letter enclosing ja own VOLDE July xpx px px px Cczero Postal covers of Japan Documents of Saitama prefecture Documents in Japanese Pixelization of Japan Censor