The best way to find whether these things are from the ancient time or not is searching on internet or in archaeological writings.
Step-by-step explanation:
Whatever is found from the past times is known as ancient part of history. Generally the findings done by the archaeologist are stored in the journals or writing so that such information can be used by the people or institution when they required.
The best way to know about the past time and ancient things is reading journals and books related to that. Due to the technology, now it becomes easier to search about anything on internet. Thus these are the ways will help to gather information.