The only other outlawed future is motion picture box office receipts: "7 U.S. Code § 13–1 - Violations, prohibition against dealings in motion picture box office receipts or onion futures; punishment (a) No contract for…
The only other outlawed future is motion picture box office receipts: "7 U.S. Code § 13–1 - Violations, prohibition against dealings in motion picture box office receipts or onion futures; punishment (a) No contract for…