Michel # 1988; Scott # 1720; Stanley Gibbons # 1968; Yvert # 1838;
	The Mallard . Anas platyrhynchos.
	Color: multicolored
	Date of Issue: 28.02.1970
	Face Value: 0.40 Zl
	Designer: Desselberger
	Stamp Size: no information
	Stamp Quantity: 7 347 000
	Perforation: 11½

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