2 Rare Perfect Matched 1957 Amperex Bugle Boy Metal Base Gz34 / 5ar4 Tubes

2 Rare Perfect Matched 1957 Mc1 Mullard 12ax7 Tubes 19062

Amplitrex Perfect Matched Pair Amperex Bugle Boy Ef86 6267 Mesh Plate Tubes

2 Rare Perfect Matched 1957 Mullard Square Getter 12au7 Tubes R50

2 Rare Medical Red Tip Amperex Bugle Boy Red Tip 12ax7 Tubes R47

Rare Nib Nos Matched Pair Amperex Bugle Boy 12au7 Ecc82 England Tv - 7

Rare Matched Pair Amperex Bugle Boy 6dj8/ecc88 Tubes D - Getter - 1959 - Test Nos

Rare Vintage 1957 Amperex Bugle Boy 12ax7 Tube Tests Great D Getter Foil Strip

2 Matched Pair Amperex Bugle Boy 12ax7 Tubes 7025 England Amplifier