Michel # 767A; Scott # 729; Yvert # 581;
	The African Murex . Hexaplex (Trunculariopsis) duplex.
	Color: multicolored
	Date of Issue: 25.04.1977
	Face Value: 1 GNS
	Designer: no information
	Stamp Size: 52 × 31 mm.
	Stamp Quantity:no information
	Perforation: 13

---