My father, who has since passed away, used to tell me repeatedly: There are two values for coins, that of the raw metal in which the coin itself is made of and then then value of the coin itself. Heads up.
There are at least THREE values for coins:
1. The FACE value (if it is a $20 Gold Eagle, it has a FACE value of $20).
2. The INTRINSIC value (i.e., the value of the metal). Thus, a $20 Gold Eagle would have the INTRINSIC value of one ounce of gold.
3. The value to COLLECTORS. Thus, if that particular coin were extremely rare, its value to COLLECTORS might actually exceed the intrinsic value (and most certainly the face value).
Regards,