At this point give Tube World a call and ask them about this,
" 6DJ8 Amperex Holland 1958-1959 "D" getter halo (the rarest and most sought after 6DJ8, very lifelike sound) (oldest and rarest 6DJ8 Holland in stock) (these are the best 6DJ8 to use in a linestage, more musical than CCa Telefunken) (6DJ8 Holland sound excellent in preamps by AR, CJ, Audible Illusions, Sonic Frontiers, VAC, CAT, etc.) (HEART tube CD player) Customer Comment: ---------------- "All my absolute favorite 6DJ8's are made in Holland. They have the rich midrange that I love."
" 6DJ8 Amperex Holland 1958-1959 "D" getter halo (the rarest and most sought after 6DJ8, very lifelike sound) (oldest and rarest 6DJ8 Holland in stock) (these are the best 6DJ8 to use in a linestage, more musical than CCa Telefunken) (6DJ8 Holland sound excellent in preamps by AR, CJ, Audible Illusions, Sonic Frontiers, VAC, CAT, etc.) (HEART tube CD player) Customer Comment: ---------------- "All my absolute favorite 6DJ8's are made in Holland. They have the rich midrange that I love."