Michel # 652; Scott # 627; Stanley Gibbons # 776; Yvert # 641;
The Trigonal Hairy Triton .
Cymatium (Monoplex) trigonum.
Color: multicolored
Date of Issue: 15.06.1981
Face Value: 25 E
Designer: no information
Stamp Size: 37 × 25 mm.
Stamp Quantity: 850 000
Perforation: 12:12½