Nice sharp image, Albert, and i like the diagonal composition and also the glimpse of other people in the background, which gives the shot context. The sepia adds nostalgia.
Flick.
For me the areas of colour do not work, they seem to distract from the aminated conversation that is going on. An overall sepia tone should be kept to give it a sense of nostalgia. If I was going to use colour I would have maybe left the Coke container in red only. Just my thoughts, but potentially this is a good photo. - Stephen