How do you determine the value of an old coin?
As a professional practitioner in the field of cryptocurrency and finance, I'm curious to understand how you approach determining the value of an old coin. Could you elaborate on the key factors you consider? Do you rely primarily on rarity, historical significance, or perhaps the condition of the coin? Are there any specific tools or resources you utilize to assist in this process? Additionally, how does the value of an old coin differ from the valuation methods you apply to cryptocurrencies? I'm interested in understanding the nuances and distinctions between these two areas of expertise.