Mullard ECC83 x1 - Bought NOS. Never used. £65 plus postage.
Mullard M8137 x1 - Bought NOS. Never used. £65 plus postage.
Mullard ECC83 x3 - Bought NOS as matched trio. Used for around 6 months. £90 plus postage.
Mullard CV4004 x2 - Bought NOS from Langrex as part of matched trio. Used for around 6 months. £60 plus postage. The CV4004s are currently on loan to a friend who is not using them. He is willing to post them directly to the buyer.