How much is a crown in today's money?

Could you please clarify what you mean by "a crown" in the context of today's money? Are you referring to a specific historical currency, such as the British crown coin, or are you asking about a different form of digital or fiat currency? If it's the former, the value would depend on the era and condition of the coin. If it's the latter, it would depend on the current exchange rate and market conditions. Could you provide more context to help me give an accurate answer?