8 Vintage Raytheon 12AU7 Test Good/Strong-Black Plates

This auction is for eight vintage Raytheon 12AU7 tubes. Black plates, square getter. Matching date codes of week 51 of 1957. They test good to strong on a Jackson 648S at 115/115, 94/129, 120/115, 109/110, 85/113, 110/110, 112/100, and 111/110. 70 = minimum, 130 = maximum. Lots of good vintage tone left in these. Shipping is $5 to the lower 48. I do combine shipping.