This Genuine 1981 vintage Tesla OA5 Crystal Germanium Diode Semiconductor is a rare find for collectors and enthusiasts alike. Made in the Czech Republic, it boasts a unique design that sets it apart from other diodes. The gold-plated Germanium diode metal top hat style adds an extra touch of elegance to this already impressive piece.

With its brand name Tesla, this Germanium Diode is sure to bring back memories of the golden age of Electronics. Its sturdy construction and high-quality materials make it a durable and reliable piece for any collection. Whether you're a Tesla fan or simply love vintage radio equipment, this is a must-have for Crystal Radio & Pedal Effects enthusiasts Collectors & Circuit Builders