Harry Shannon
I recently visited the U.K. I had not been there for seven or eight years.
I had some British banknotes, including one for ₤20 (close to $40 Canadian or $27 U.S.). When I tried to use it in a store, I was told it was out of date, no longer legal tender.
“So what do I do,” I asked.
“Take it to a bank and they’ll …