Continued from page 1

Concurrent Technologies Corp., a Pennsylvania-based scientific research and development company, is working with the Mint on the alternative materials study under a $1.5 million contract awarded in 2011.

The Philadelphia mint, established in 1792, is the country’s oldest and largest. Circulating coins are made there and in Denver.

___

Online:

Report: http://1.usa.gov/ZPHGep