Coating Parallel Issue: the same postage stamps issued at the same time with different coatings
Coating Parallel Issue: different postage stamps issued at the same time with the same coating |
Coating Colour Parallel Issue: the same postage stamps issued at the same time with the same coatings in different colours |
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the same postage stamps with the same glued-on metal foil in gold, silver or copper |
Coating Kind Parallel Issue: the same postage stamps issued at the same time with different coating kinds |
Coating Kind Parallel Issue: different postage stamps issued at the same time with the same coating kind |
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the same postage stamps with printed or embroidered silk fabric glued on |
different postage stamps with glued-on sandstone |