"The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom." ― Isaac Asimov
Blog : https://parimalscoincollection.blogspot.com
Does not look fake. These are very common coins and available cheaply. So no point in faking them.
If fake than it could be a contemporary fake or the weight difference could be due to high wear and tear.
"The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom." ― Isaac Asimov
Blog : https://parimalscoincollection.blogspot.com
weight - 17.30 gm Diameter - 22 mmMetal - copper 