Michel # 545; Scott # 436; Stanley Gibbons # 554; Yvert # 511;
	The Noble Pen shell (Fan Mussel) . Pinna nobilis.
	Color: multicolored
	Date of Issue: 28.03.1970
	Face Value: 0.40 DA
	Designer: no information
	Stamp Size: 23 × 32.5 mm.
	Stamp Quantity: 1 000 000
	Perforation: 11½

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