If I may digress into coins for a moment, here is a reprise of the Stone Mountain commemorative half dollar, of which one million were ultimately MELTED, and more unsold examples dumped into circulation.
The whole exercise was a sordid, shabby undertaking with charges of fraud, lawsuits, work stoppage for 30 years, and a much-diminished end product. Extremely interesting article courtesy of NGC, the second-largest third-party (coin) grader!
http://www.ngccoin.com/NGCCoinExplo...CoinID=19378