what is the thickness of a penny

The thickness of a U.S. "Lincoln" one cent piece is 1.55 millimeters

To find the answer to this question, you can follow these steps:

1. Identify the type of penny you are referring to - In this case, it is the U.S. "Lincoln" one cent piece.

2. Search for the specifications of that particular penny - You can search online using keywords such as "U.S. Lincoln penny thickness" or visit a reliable numismatic website.

3. Look for a reliable source that provides accurate information - Trusted sources for this type of information include the United States Mint or official numismatic websites.

4. Find the specific measurement of the penny's thickness - Look for the measurement in millimeters, as this is a commonly used unit for measuring small dimensions.

Following these steps will allow you to find the accurate thickness of a U.S. "Lincoln" one cent piece, which is 1.55 millimeters.