Vintage JAN 9006 vacuum tubes – lot of 4. From a recently acquired lot of vintage tubes. All are U.S. Army / U.S. Navy marked (JAN) and branded CKR / Stromberg-Carlson. Boxes are labeled “tested” (handwritten), but tubes have not been retested by me. Condition: • Good vintage condition • Boxes show wear from age/storage • Tubes appear intact with no visible cracks or major defects Please review photos carefully for exact condition. Great for vintage electronics, restoration, or collection.