How can you tell the age of a Springfield model 944 20 gauge single shot?

To determine the age of a Springfield model 944 20 gauge single shot shotgun, check the serial number, which can often provide a date of manufacture; reference charts or databases specific to Springfield firearms can help with this. Additionally, examining the proof marks, design features, and any distinctive characteristics can provide clues about the production era. Consulting with a firearms expert or collector may also yield useful insights into the model's history.