U.S. 13 Stars Revenue Service Pennant.

13 Star U.S. Revenue Cutter Service commissioning pennant.
These pennants were used primarily on public vessels of sovereign states. In 1674, Britain had limited these pennants to use on the King's ships. Presently, such pennants serve as the "distinctive mark" stipulated in Article 8 of the 1958 Convention on the High Seas.

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