Mullard ECC83 12AX7 1956 Long Plate Square getter Tightly Matched Tested Strong

You are bidding for One pair Mullard 12AX7/ECC83 1956 Square getter made Britain and are tested NOS on AVO CT160 at 1.3mA-1.4mA and 1.3mA-1.5mA (NOS value: 1.2mA) tightly matched and sound wonderful on my hifi system. The codes are clear so it can be visible. What you see is what you get. Sold as is. Return is accepted if you pay the return shipping fees. Please ask me anything if unsure. Please read the description carefully before buying. Thanks

P/S: The shipping fees in the listing is by regular mail (normally Vietnam post) taking from 12-25 days depending on buyers' local customs. To some regions, it can take even longer than that. Besides, Vietnam post is not always available to some countries in South America, Northern Europe or Africa. Please ask me before paying. If you want to use express shipping services like DHL, Fedex or UPS express taking 3-7 working days, you have to pay an extra of around $68.75. (For order over $1000, Express shipping service is a must. Please wait for the invoice to pay). Please let me know so that I can send you an invoice. If the item(s) purchased may not arrive or faulty, please don't hesitate to contact me before opening cases on ebay. I am willing to reach to a solution and make you completely satisfied. Thanks a million