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KT61, MARCONI, BLACK BASE, JULY 1946 PRODUCTION
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KT61, MARCONI, BLACK BASE, JULY 1946 PRODUCTION

Only 1 left!
On offer today we have a beautiful Marconi device.  It tests as 100% emission as you can see from the attached test data label courtesy of our AVO VCM163.   The envelope carries the etched ellipse cartouche  and a tricolour Marconi decal.  The black micanol base is tight to the envelope and shows clean uncorroded pins - a simply super device.

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