Approximately how many screws has my uncle Eugene left me?

I would count these (please see image) but I have the electrician coming around in about 20 minutes, so a rough estimate will have to do. I do not know where to begin myself but I can reveal the container is an old 500g coffee jar and measures around 7 inches high.

Update: Thank you, this was exactly 247 1 inch screws (one was broken in half).
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