7 Mullard 12AU7A ECC82 tubes labeled for Hammond organs; made in the Blackburn plant and screened for organ use. These tubes have short gray plates and round top getter. The red printing is intact on them. They have been tested on Amplitrex and Hickok and all scored close to new readings. These would be fine in any application that accepts a 12AU7. $20 each, plus $5 shipping