a penny
A bronze penny has a reddish-brown color due to its copper content, while a zinc penny has a silver appearance. You can also check the date on the penny, as pennies made before 1982 are bronze and those made after are zinc.
Bronze
a cent
Test it with a magnet. 1943 steel cents are magnetic. 1944 copper cents are not.
From 1860 to 1967, the British bronze Penny was 30.81 mm in diameter.
For many years up to and including 1792, the British Penny was silver. From 1797 to 1860 inclusive, the Penny was copper. From 1860 until its last minting in 1967, the Penny was bronze. From 1971 to 1992 inclusive, the decimal (New) Penny was bronze. From 1992 to present, the decimal Penny has been made from copper plated steel. The only British decimal coins with any brass in the alloy are the One and Two Pound coins.
Brass? No. Bronze yes. A few bronze 1943 Lincoln cents were made by mistake.
All British bronze Pennies from 1860 to 1967 have the words "ONE PENNY" on the reverse.
In 1903, the U.S. penny was made of bronze, which is an alloy of copper (95%) and tin (5%). The penny continued to be made of bronze until 1982 when it was switched to a copper-plated zinc composition.
All Lincoln Wheat penny's from 1909 to 1942 were made from Bronze .950 copper and .050 Tin and Zinc.
most likely less than 100