Michel # 492; Scott # 449; Stanley Gibbons # 461; Yvert # 456;
	The Hippopotamus . Hippopotamus amphibius.
	Color: multicolored
	Date of Issue: 20.03.1972
	Face Value: 6.00 RF
	Designer: Jean van Noten
	Stamp Size: 57.5 × 36.5 mm.
	Stamp Quantity: 35 000
	Perforation: 13½

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