资讯

10): Consider this solution to the penny problem. In 1943, copper became so dear that to support the World War II effort, pennies were minted out of pot metal steel. Today, all U.S. currency is ...
MOREHEAD CITY, N.C. (WNCT) — President Donald Trump recently informed the U.S. Treasury Department to stop producing new pennies, citing production cost concerns. In 2024, the U.S. Mint reported ...