U.S. 45 Star flag - John R. Thompson.

45 Stars U.S. Flag - 1st N.Y. Engineers, John R. Thompson - Spanish American War - Capture of Puerto Rico, 1898.
Officer Thompson, of the 2nd Battalion's Company K, took this flag with him and inscribed it with the names of the various locations where the unit encamped in Puerto Rico during the Spanish American War.

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