ANSWER:

If such coins are not made of gold and silver and they are not in use anymore, this is permissible.

Is one allowed to sell something very old (like a coin) to someone at a high price if it is rare?

Halal/Haram Matters | September 15, 2020 7:30 pm
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If my relatives give me money for my ‘birthday’ should I accept or refuse? Should I give the money to charity or use it normally? As I have recently found out that ‘birthdays’ are an imitation of kuffar and my ‘birthday’ is in a few days. Inshallah I will get an answer
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Can women travel by public buses?