Susan B. Anthony dollar melted, their seignorage would have been added to the debt. Accordingly, the coins were placed in government storage, to be dispensed as needed. The coin's design did have repercussions north of the border; when Canada introduced its new one-dollar coin in 1987, its dimensions were made similar so that vending machine specifications could be common between the two nations. When the Baltimore, Maryland Metro Subway opened in 1984, it used the Susan B. Anthony dollar coin as tokens with which to buy tickets. It became the largest single user of Susan B. Anthony dollar coins in its history. Despite their
Trillion dollar coin placed by former Fed Chair Ben Bernanke or one of the 12 Presidents of the regional Federal Reserve Banks. Former Director Diehl disagreed with Moy concerning a platinum bullion coin but agreed with Moy that a proof platinum coin would be a problem for the Fed. Diehl reiterated his view that "I certainly think [minting a trillion dollar coin] is inferior to raising or eliminating the [debt] limit but it's far better than defaulting and suffering the consequences of doing so." Trillion dollar coin The trillion dollar coin is a concept that emerged during the United States debt-ceiling crisis in