Full set = 6 stamps on sheets of 20 stamps. MNH** .

Flora Rare Flowers

 1s  - Fritillaria Stribrnyi

 2s  - Fritillaria drenovskyi

 3s  - Lilium rhodopaeum

13s - Tulipa urumoffii

23s - Lilium jankae

43s - Tulipa rhodopaea

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