I'd agree - never too late. I bumped into a cousin some times removed who recalled playing with another cousin on my dad's side at my parents wedding in the late 60s. Both were 9 or 10 at the time, and stayed in touch for a year or so.
One died unfortunately 20 years ago and the other one asked for her when I met her recently. She was shocked when i broke the news that the other cousin had died, and wrote a lovely letter to my parents as they tried to recreate as many of the people that were at their wedding at a recent anniversary.
They really appreciated it.