Six good used, old stock 7591/7591A vacuum tubes. Here's a list with the test results in parenthesis (65 is the minimum GOOD level on my B&K 747B):
1. G.E. coin-base 7591A (80).
2. Sylvania coin-base 7591A (89).
3. Sylvania coin-base 7591A (99).
4. Fisher labeled Westinghouse black-base 7591 (77).
5. Eico labeled Westinghouse (95).
6. Fisher labeled Westinghouse brown-base 7591 (65).
My price includes expert packing, Priority Mail shipping, insurance and Paypal fees. Thanks!