Michel # 970; Scott # 772; Stanley Gibbons # 943; Yvert # 755;
	The Abrupt Wdge Clam . Donax trunculus.
	Color: multicolored
	Date of Issue: 20.04.1988
	Face Value: 20 F
	Designer: no information
	Stamp Size: 40 × 30 mm.
	Stamp Quantity:no information
	Perforation: 12½

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