The differences are: roulette perforation has 9 teeth instead of 10 in 2002 different number of stamps in the sheet (90 inste

The differences are: roulette perforation has 9 teeth instead of 10 in 2002 different number of stamps in the sheet (90 instead of 50 in 2002) lighter colors different backing paper. - margins of sheets are different in 2003 and 2002.