Offered is the Songbird 200AA Globe Triode Tube.  The tube is clean and in good condition. It tests good on the EICO dynamic tester and it shows no shorts or inter-element leakage. The tube is marked on the top as follows:  200AA Power Detector.  The Songbird paper factory tag remains in place. The tube has a firm base and a small glass particle loose within.  The tube base is a dark green or brown marbled type with no graphics.  Pick up the uncommon tube for your own collection or radio. Mouse over the photo images to zoom in. NO RESERVE!! Thanks for looking.