Hi
I want to make a tube amp based on Marshall circuits. I'm good with electronics.
Are these the capacitors that Marshall was using in the old days in their Amps?
I found them new old stock !!!

kit of 12 BIANCHI mustard 10nF 22nF 33nF 47nF 56nF 68nF 150nF 220nF Marshall JTM | eBay