The product is a set of 40 United States Mint Treasury uncirculated pennies from Philadelphia and Denver. These coins have not been circulated and were minted in the United States. The set likely includes a mix of pennies from both mints, showcasing the craftsmanship of the United States Mint in producing these coins. This collection would be a valuable addition for numismatists and collectors interested in exonumia and coins from the United States.