"Sir Thomas, arrest this—No, hold!" His face lighted, and he confronted the ragged candidate with this question—
"Where lieth the Great Seal? Answer me this truly, and the riddle is unriddled; for only he that was Prince of Wales can so answer! On so trivial a thing hang a throne and a dynasty!"

The Lord Protector; Ch. 32. - The Prince and the Pauper (1881)