One pair early 12AU7 tubes, By Radiotron-GE (Canada).

Long black plate tubes are hard to come by nowadays, good sounding tubes.

Long black plate,  horse-shoe-getter.

Test Ratings:  110/95 and 90/105 on my Jackson 648s tester, minimum is 70, new tubes at about 105-110. 

SHIPPING: Shipping to USA and Canada with tracking. But shipping to International countries will be with no tracking, to save you about $35 and more, depending on the particular country.

Combined shipping saves money.

Please pay in 3 days. Combined shipping is welcome. If you have paid for individual items and have surplus shipping fee paid for, I will refund you immediately when I send out the combined parcel.