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.
PTAdmiral of the Fleet. File PTAdmiral of the Fleet svg Flag of Portuguese Admiral of the Fleet crwflags html Flags of the World self made Rank flags of Portuguese Navy Flags with armillary spheres
Page 2023 Free-images.com. All images are Public Domain