Cohen en ligne
Wildwinds.com
CoinArchives
Beast Coins
BERLIN : Der interaktive Katalog des Münzkabinetts
Fitzwilliam Museum
Dirty old coins
CoinsCatalog.com
Not in R.I.C.
Professional coin grading service
Virtual catalog of roman coins
Aequitas
Numismatische Bilddatenbank Eichstätt