Michel # 179; Scott # B39; Stanley Gibbons # 148; Yvert # 124;
The Blackchin Guitarfish .
Rhinobatos cemiculus.
Color: dull violet
Date of Issue: 23.11.1958
Face Value: 25 + 10 ?
Designer: no information
Stamp Size: 25 × 41 mm.
Stamp Quantity: 626 000
Perforation: 12¾:13