Bi-metallic coin dated 2006 (minted at Noida). Since 1996, Canada has also produced bi-metallic $2 coins (nicknamed "toonies"). Great Britain has issued a bi-metallic 2-pound coin since 1997; and Singapore has issued a bi-metallic 1-dollar coin since 2013. The first ever tri-metallic circulating coins were 20-francs coins introduced in France and Monaco in 1992. These were similar to the corresponding bi-metallic 10-francs coins, but had two rings instead of one. As well as circulating coins, where they are generally restricted to high-denomination coins, bi-metallic coins are often used in commemorative issues, often made of precious metals. For example, the only bi-metallic coin
Trade dollar (United States coin) decline and the intrinsic value of the coins fell below one dollar, bullion depositors began having their silver struck as trade dollars and selling them wholesale to be distributed throughout the country. Bullion producers opted to coin their silver into trade dollars because the Coinage Act of 1873 specified that silver brought to the Mint could only be struck as such or cast into bars. Congress considered raising the five-dollar legal tender limit on trade dollars, but instead passed a bill that officially demonetized the trade dollar on July 22, 1876; the Secretary of the Treasury was directed by the