Circa 1962 Germany-made 5 TUBES LOT of Siemens ECC81 ( 12AT7) preamp tube for Harman Kardon Citation 1 as pictured. They're pulled , in good condition (tested on my tube tester. Where NOS tube normal ranged 105-110 , min-good=65, max-good=120 . Tested tubes = 102/103 , 103/101, 101/104, 104/102 and 103/104 respectively . No short no gas ) Tube authentic identification : Halo getter , gray wingy ripped plate , tube-top-seemed , tube bottom have text marked , bright flashing initial power up style , all have same date code ≠2 ( made at Siemens & Halske Munich Germany by 1962 ) . Note : The HK Citation 1 photo is using as reference only and this selling is final ( no return or refund ) Please buy or bid accordingly. Thanks for looking.