Michel # 94; Scott # 94; Stanley Gibbons # 102; Yvert # 86;
	The Green Ormer . Haliotis tuberculata.
	Color: multicolored
	Date of Issue: 15.11.1973
	Face Value: 20 p
	Designer: Jennifer Toombs
	Stamp Size: 41 × 26 mm.
	Stamp Quantity: 517 440
	Perforation: 11¾:11½

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