- ...the distance in leagues covered by the Nautilus in the novel from Jules Verne
- ...50 times the height in meters of the Empire State Building
- ...5 times the length in kilometers of the Mississippi river
20,000, is also... the number of coins in Numista catalog!
About one year after the 10,000 mark, Numista just took a new step.
20,000 coins collaboratively added in the catalog
20,000 coins which can be identified and registered in your collection
20,000 coins which can be traded through Numista swap system