Five (5 pcs) vintage styroflex polystyrene Siemens capacitors 500 pF / 63V NOS

Five (5 pcs) styroflex polystyrene vintage audio capacitors, rare and great sounding, ideal for tube amplifiers, made in West Germany by Siemens&Halske back in 70s, from never opened 300 pcs factory bags, perfect replacement and upgrade for hi end amplifiers and preamps.