Scott 2003 Standard Postage Stamp Catalogue, Volume 5: Countries of the World P-Si

Almost 12,000 value changes were recorded in Volume 5 of the 2003 Scott Standard Postage Stamp Catalogue. The stamps fo the Philippines lead the way with almost 2,000 value changes, followed by Portugal with almost 1,600, Russia with more than 1,300 and Romania with almost 1,000. Additional countries recording large numbers of value changes are Saar, Sierra Leone and Singapore. All told, 27 of the 61 countries listed in Volume 5 have had more than 100 values changed.