Michel # 593; Scott # 580; Stanley Gibbons # 716; Yvert # 589;
	The Butterfly Cone . Conus prometheus.
	Color: multicolored
	Date of Issue: 25.06.1974
	Face Value: 2.50 E
	Designer: no information
	Stamp Size: 37 × 25 mm.
	Stamp Quantity:no information
	Perforation: 12:12½

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