Explanation:

Extortion.- Whoever intentionally puts any person in fear of any injury to that person, or to any other, and thereby dishonesty induces that person so put I fear to deliver to any person any property or valuable security, or anything signed or sealed which may be converted into a valuable security, commits “extortion”

Illustration (d) - A, by putting Z in fear of grievous hurt, dishonestly induces Z to sign or affix his seal to a blank paper and deliver it to A.Z signs and delivers that paper to A. Here, as the paper so signed may be converted into a valuable security. A has committed extortio