Michel # 780; Scott # 717; Stanley Gibbons # 841; Yvert # 774;
The Chiragra Spider Conch .
Lambis chiragra.
Color: multicolored
Date of Issue: 21.12.1980
Face Value: 1.50 MZM
Designer: no information
Stamp Size: 45 × 34 mm.
Stamp Quantity: 200 000
Perforation: 11