Check earlier auction values of your coin collection.
The databases consists of coins sold on auctions, and shows the auction value on the time of each sale, with both gross and net values, meaning with or without the auction house fee.
See list and graph view of earlier auction values.
With the help of these databases you can get a list or graph view of a coin's earlier auction values. This can be done for all norwegian coins from 1814 until today. You can also use the databases to show earlier auction values of you whole coin collection.