2015 Scott Catalogue Volume 4
More than 11,000 value changes were made in Volume 4, which includes countries of the world J-M. Leading the way was Japan, where more than 2,400 changes were made. Other countries with a notable number of changes include Mongolia, with 2,125; approximately 1,450 in Luxembourg; 929 in Jamaica; and more than 1,000 in Latvia.
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