The complete set in detail
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E041
SG No. E46
1951 - World youth and student's festival for peace : Watermark 'flowers' - 12 Pfg. ; brown and brown-yellow / grey
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E042
SG No. E47
1951 - World youth and student's festival for peace : Watermark 'flowers' - 24 Pfg. ; carmine and yellow-green / blueish
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E043
SG No. E48
1951 - World youth and student's festival for peace : Watermark 'flowers' - 30 Pfg. ; green and yellow-brown / green
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E044
SG No. E49
1951 - World youth and student's festival for peace : Watermark 'flowers' - 50 Pfg. ; violet-blue and carmine / blueish