Michel # 1894; Scott # 1347; Stanley Gibbons # 1704; Yvert # 1042;
	The Black-bellied Whistling Duck . Dendrocygna autumnalis.
	Color: multicolored
	Date of Issue: 04.05.1984
	Face Value: 12 MXP
	Designer: Armando Ruíz Oteo
	Stamp Size: 48 × 40 mm.
	Stamp Quantity: 2 000 000
	Perforation: 14¼:14

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