|Retail Price: $99.99
||AA* Price: $69.99
Over 21,000 value changes were recorded in the 2013 edition of Volume 3.
Classic period errors show strong gains in Great Britain, where more than 3,400 changes were made.
Select prestige booklets also recorded strong gains, some doubling in value.
Other European countries with a large number of changes include German Democratic Republic and Ireland.
*AA prices apply to paid subscribers of Amos Hobby publications, or for orders placed online.