Naval Jack of Siam (1881-1917), a blue flag with a white elephant in regalia, granted by King Rama V (King Chulalongkorn.) Its name is "Thong Ketu" (th: ธงเกตุ) and change to "Thong Chan" (th: ธงฉาน) in 1887.
self-made, based on an information from Royal Thai Navy (thai language), Image:Flag of Thailand 1855.svg and Image:Naval Ensign of Thailand.svg.
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