The Squire’s Puzzle

dudeney squire puzzle

Another conundrum from Henry Dudeney’s The Canterbury Puzzles:

A squire has drawn a portrait of King Edward III with a single continuous stroke of his pen. “‘Tis a riddle to find where the stroke doth begin and where it doth also end. To him who shall first show it unto me will I give the portraiture.” What is the answer?

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