Genus species: Lycopodium clavatum

Series: Medicinal Plants (Poland 1967)
Catalog codes:
- Michel: PL 1773
- Stamp Number: PL 1514
- Yvert et Tellier: PL 1628
- Stanley Gibbons: IL 198
- AFA Number: PL 1659
- Polish Stamps Catalog (Fischer) PL 1626
Emission: Commemorative
Perforation: comb 11½ x 11¼
Printing: Offset lithography
Colors: Multicolor
Face value: 4.50 zł - Polish złoty
Print run: 3,423,030

Reference: colnect.com
Shop now link: ebay.com (note: market availability)