They are the 1937 Edward VIII 5-pound pattern (worth $2.28 million ... Both sides of the coin say “20 Euro Cents.” This is another rare Euro coin because it has two reverses rather than ...

French 50 Euro Cent on a 2-Cent Planchet The wrong planchet can make a coin look completely different (and make it really collectible at the same time). In this rare error, a 50 Euro Cent coin was ...

Last year was a lucrative one for sellers of rare coins, as one auction house sold five specimens for more than $1 million each — including one that fetched a record price in its category.