ECC33 Black Plate D Getter NOS Mullard UK Valve Tubes (VT8)

ECC33 Black Plate D Getter NOS Mullard UK Valve Tubes (VT8)
ECC33 Black Plate D Getter NOS Mullard UK Valve Tubes (VT8)

ECC33 Black Plate D Getter NOS Mullard UK Valve Tubes (VT8)
ECC33 Black Plate "D" Getter NOS Mullard UK Valve Tubes (VT8).
ECC33 Black Plate D Getter NOS Mullard UK Valve Tubes (VT8)