Michel # 1644; Scott # 1298; Stanley Gibbons # 1731;
	The Ferruginous Duck (Ferruginous Pochard) . Aythya nyroca.
	Color: multicolored
	Date of Issue: 25.05.1976
	Face Value: 6.00 DIN
	Designer: Milenkovich
	Stamp Size: no information
	Stamp Quantity: 488 798
	Perforation: 13½

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