Leica Noctilux 50/1.2 Double Aspherical.
Serial no. 2255xxx. This lens was produced in 1968. According to the official record of Leica only made 2450.
Production year 1966-1973. Later it was discontinued because of the difficulty of production and the high cost. Very rare lens. This one is top condition. Barrel 99 new. Perfect glass. With original 12503 lens hood, front and rear caps.
This man had a look in his eyes that made the hair on the back of my neck stand up, I swear he looked like he was considering jumping in front of that train.
Side note: be kind to everyone you come across, you never know their story or what they are dealing with in life. We make this world what it is, not the other way around.