Up for sale is a rare find - a vintage BC109B transistor manufactured by EI Nis in Serbia. This transistor is in pristine condition and is perfect for collectors or enthusiasts looking to add to their vintage electronics collection. The EI brand is known for producing high-quality transistors, and this model is no exception. This BC109B transistor is a must-have for any vintage audio or video enthusiast. Whether you're a collector or simply looking for a unique addition to your electronic projects, this transistor offers exceptional performance and reliability. Don't miss out on the opportunity to own a piece of electronic history.