New old stock. Tested pair of 4CX1500 ceramic RF power tubes for ham amplifiers
Alpha 8410 uses two, Alpha 8406 uses one, others probably both.
Manufacturer's test sheets included, tested good in an Alpha 8410 before that was sold.
NOT USED and KNOWN GOOD
Discount = $2000 for both tubes. Can deliver & install within about 100 miles of Denver.