I am offering 5 tubes from General Electric. Type 6072 / 12AY7 triple mica, black plates. The tubes have the same codes and come from the same batch. 1959. The tubes are tested and unused. Values all over 100%. The tubes come in the original packaging. The price is for one tube. Shipping is insured with tracking. For shipping outside Germany, please inquire about the costs before bidding. I exclude EU law for private sales, with a bid you accept this.