Are contracts ever sold on coins where the goods are not needed to be delivered.

Much like a bearer note. Could a contract of, in lite of the recent surge in gold, exist if a person could buy 1000 PCGS MS65 Saints, with the seller promising to deliver, on demand. The note would openly trade on an exchange, like Eureka. Purely for speculative reasons......but would it bring better buy/spreads and liquidity?
Seth
Seth
Collecting since 1976.
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Yes, but it would also bring regulation. It cannot be worth those costs, at least for now.
Doggedly collecting coins of the Central American Republic.
Visit the Society of US Pattern Collectors at USPatterns.com.
So, know you why this kind of thing gets regulated
happens all the time around the world (Chicago, New York, London, ...)
they are called futures contracts, but I have to guess you already know that.