What was your first ever product that you sold?

I started with a portrait sketch back in my early days of learning design. I was living in delhi and nearby my location a place know as Dilli Haat - a cool place for tourist and travelers who like shopping handcrafted goods. Sometimes I simply liked to sit and observe people in the market and one day someone observed me with a pencil and a sketch book. I was sketching a gentleman and he gave 200 INR for that sketch. That was my first sell