Check the listing for details. One Zenith 7A7 Vacuum Tube Untested In Sylvania (Military? Issue) Box. Condition: Open box, Made in United States. Listed at 9.99 USD. 1 PURCHASED THE REMAINING INVENTORY OF AN INDIVIDUAL THAT LIVED IN MY HOMETOWN WHO WAS OUR LOCAL RADIO/TV REPAIRMAN FROM THE 1930s-late 1990s. I WILL BE LISTING THIS INVENTORY AS TIME PERMITS. MOST OF WHAT I WILL BE LISTING APPEARS TO BE UNUSED AND IN ORIGINAL BOXES BUT I HAVE NO WAY TO TEST THEM. COMBINED SHIPPING ON MULTIPLE PURCHASES WHEN THE CART IS USED AT CHECKOUT. MESSAGE IF INTERESTED IN MULTIPLE ITEMS AND I WILL TRY TO ANSWER SPECIAL REQUESTS. This is a vintage Zenith 7A7 (USA) untested vacuum tube bulb in a Sylvania (Military? Issue) box. Perfect for collectors or enthusiasts of vintage electronics, this Zenith 7A7 vacuum tube is ideal for collectors or those who need replacement components. Please refer to photos for quality and condition.