Price is for 1 seemingly NOS or very little used, but superbly tested tube. It has etched factory codes of the Heerlen Netherlands plant: GA7 𝛥2I4. This is the same factory and version as the famous Amperex Bugle Boy, but just labeled differently. Internal construction with silver shield between the triodes.
Shipping will be Airmail registered with tracing number. Other shipping methods available on request.