After 40 years, pins remain shiny and not tarnished, factory new. The item "MULLARD 12AT7 ECC81 CV4024 TUBES (NOS) QUAD UNOPENED GUARANTEED PERFECT" is in sale since Tuesday, December 20, 2016. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets". The seller is "punkydawgs" and is located in Sacramento, California. This item can be shipped worldwide.