"It was also cheaper to make and sell. Particularly after the Stock Market crashed and inflation went through the roof. Money wasn't worth the paper it was printed on."

He thought for a moment.

"I don't think so! Then again, it's been decades since I last traveled by something other than my shadow or my own hooves."

His ears locked onto something. He snapped his head completely around, freezing in place as he listened closely.

Something in the dark was trying to move softly and not draw attention, but its claws scraping the rocks gave it away.

"...We may have that tango sooner than expected, my dear."