Nobody doubts that Japan can generate yen, or that Britain can generate pounds sterling.

CNN: How the euro crisis will affect you

The company had group sales of pounds Sterling 990.8m and underlying profits of 93.3m pounds last year.

ENGADGET: Ben Heck splits and condenses a pair of Xbox 360 controllers for the disabled

They have injected hundreds of millions of pounds sterling into the U.K. economy, buying houses and luxury goods.

FORBES: Welcome to Londongrad

Even today private banks in Northern Ireland and Scotland issue pound notes redeemable into pounds sterling, and in Hong Kong paper currency is supplied exclusively by private banks.

FORBES: Magazine Article

If you pay at the airport, it worked out that being about 10 pounds (in weight, not sterling) over the expected baggage total weight yielded a fee that was almost the same as the original ENTIRE TICKET.

FORBES: Cheap or Comfortable?

If you do pay in pounds, the merchant will charge you to convert the local currency into sterling and then charge you again to convert back to the local currency.

BBC: Travel money: When is the best time to buy?