"If the people don't want it and they don't want to use it," she said, "why in the world are we even talking about changing it?"
"It's really a matter of just getting used to it," said Diehl, the former Mint director.
Several lawmakers were more intrigued with the idea of using different metal combinations in producing coins.
Rep. Steve Stivers, R-Ohio, said a penny costs more than 2 cents to make and a nickel costs more than 11 cents to make. Moving to multiplated steel for coins would save the government nearly $200 million a year, he said.The Mint's report, which is due in mid-December, will detail the results of nearly 18 months of work exploring a variety of new metal compositions and evaluating test coins for attributes as hardness, resistance to wear, availability of raw materials and costs. Richard Peterson, the Mint's acting director, declined to give lawmakers a summary of what will be in the report, but he said "several promising alternatives" were found.