Hey, PAXboy .. Here's one for you.
A relative of mine was, at the time, (late 1800s) the wealthiest man in Australia.
One day, he was recognised travelling 2nd Class on a train.
When discreetly queried about this, he gruffly responded...
"That's because they don't have a 3rd Class on this train!"
So, there you go.
p.s. I hasten to add .. Neither his wealth nor parsimony rubbed off on me.