As long as they're nice confusing multiples; pounds, shillings, pence type of thing rather than this newfangled decimalised malarky.
"Now, to take the fairy cost a nickel, and in those days nickels had pictures of bumblebees on them 'give me five bees for a quarter you'd say! Now where were we? Oh yeah, the important thing was I had an Onion on my belt...which was the style at the time!"
-Abe Simpson