Other shells were photographed during the war with markings showing they were made in the Pine Bluff Arsenal, also in America, in 1991.
The bunker also contained Nazi paraphernalia, like a red wool armband and a four-inch steel dagger from World War II with Nazi markings, officials said.
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War and Turpentine has all the markings of a future classic.
Prisoners working on a restoration project in Guernsey have discovered German road markings from the World War II.
The medal in question has no identifiable markings; according to the American War Library, only in rare cases are the medals officially engraved with the recipient's name.
The aircraft, christened L'Oiseau Blanc, was painted white, and had the French tricolor markings, with Nungesser's personal World War I flying ace logo: a skull and crossbones, candles and a coffin, on a black heart, painted on the fuselage.
The ammunition, according to its stamped markings, was made in Sudan in 2012 — after the war in Libya had ended.
The rockets were readily identified by their twisted fragments and remains, some of which bore markings indicating they had been made during the cold war.
Ms. Mueller, an independent scholar and collector of Chinese export porcelain in Indianapolis, has been gathering data about how some 18th-century china acquired markings falsely suggesting that it belonged to American Revolutionary War heroes.
