Should we balk at these supposedly German characters discoursing in terms of British coinage? Of course not! This is a light-hearted comic opera and the language is intended to be easily understood by a British audience. If it’s accuracy you want, curl up with an encyclopedia. Let me also mention that The Grand Duke is saturated with anachronisms. I am not going to slow the pace by pointing them out, but you might see how many you can spot.

Act I