Michel # 4103; Scott # 3720c;
The Grayling .
Thymallus thymallus.
The Drake Mackerel Mayfly .
Ephemera vulgata.
The Medicinal Leech .
Hirudo medicinalis.
The Swan Mussel .
Anodonta cygnea.
Color:
multicolored
Date of Issue:
31.03.2004
Face Value:
1.25 Zl
Designer:
J.Brodowski
Stamp Size:
43 × 31 mm.
Stamp Quantity:
1 625 000
Perforation:
11½