Price is for lot of ten more or less used triode tubes. Those are made in England and marked (STC) Standard Telephone & Cables with patent numbers, etched serial number on glass sphere. Production estimated early 1930s or near. STC was founded in 1883 in London as International Western Electric by the Western Electric Company. These tubes where installed or come from the Swedish telecom.
Due to the very fine nature of those and their age they are sold AS-IS.
Shipping will be Express Worldwide by DHL or UPS.