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
50-cent piece (Canadian coin) half-dollar coin. Newer vending machines do not generally accept it, even when they accept coins of both higher and lower value, but many older machines that were retooled to accept loonies will misidentify a 50-cent piece as a loonie, thus allowing the value of the coin to be doubled. A largely unsuccessful attempt was made by the Royal Canadian Mint to promote the use of the coin when a special edition was released in 2002 marking the 50th anniversary of the accession of Elizabeth II to the throne. After this failed promotion, the mint stopped distributing 50 cent pieces to