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U. S. Army Wwii Vintage Signal Corps Crystal Case Cs-137 & 93 Crystal Frequency

Signal Corps Crystal Case CS-137. Crystal Frequency never used before. The item is 100%GUARANTEED AUTHENTIC. I can find labels, marking, and numbers : SIGNAL CORPS CASE CS-137 PHILA--43. An exceptional piece for lovers of WWII memorabilia, war experts, collectors and museums.   

U. S. Army Wwii Vintage Signal Corps Crystal Case Cs-137 & 80 Crystal Frequency

Signal Corps Crystal Case CS-137. Crystal Frequency never used before. The item is 100%GUARANTEED AUTHENTIC. I can find labels, marking, and numbers : SIGNAL CORPS CASE CS-137 PHILA--44.   
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