The original battle scarred United States Flag that flew over Baltimore during the failed British Naval bombardment in 1814 - the last time it was publicly displayed at the Boston Naval Yard in 1873.
(now permanently retired to the Smithsonian Institution for ongoing restoration and conservation)
weedfarmer:
Thanks for sharing, hope your enjoying your 4 of July.
robertbluesman:
Same to you and yours @weedfarmer