Underweight coin by 2.5 gram [solved]

6 posts
An underweight coin by 2.5 grams. Is it real or fake?

https://en.numista.com/catalogue/pieces7068.html



I can't really explain the weight difference, but I don't know why anyone would fake this coin.... it's not scarce or expensive or anything. Looks real enough to me.
I have a coin so worn (found in a field when i was a kid, and i cleaned it badly) that it weighted 15g instead of 20g... So i guess it's ok.
Thank you for the replies!
Has your scale been calibrated. I bring this up because I have noticed countless discrepancies between what is reported to Krause or Numista when compared to the coins that I have acquired.

The question I have is how accurate are the weights that have already been reported. I can only imagine that many people past and present have reported the weight of a coin without the use of a digital scale, calibrated or not. You could also say the same about the accuracy of the diameter/thickness of a coin using digital vs. mechanical calipers, or even a ruler.
Quote: "SRV5490"​Has your scale been calibrated. I bring this up because I have noticed countless discrepancies between what is reported to Krause or Numista when compared to the coins that I have acquired.

​The question I have is how accurate are the weights that have already been reported. I can only imagine that many people past and present have reported the weight of a coin without the use of a digital scale, calibrated or not. You could also say the same about the accuracy of the diameter/thickness of a coin using digital vs. mechanical calipers, or even a ruler.

i was weighing the coins I got at a show and all the others were spot on +/- .1 gram.

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