Four JAN-6688 (E180F) tubes, Orange Global brand by Amperex USA, in NOS Ratings. 

Black plate, triple-mica and 0-getter.

Test Ratings:   110 to 120 on my Jackson 648s tester, minimum is 70, new tubes at about 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.

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.