Michel # 393; Scott # 575; Stanley Gibbons # 743; Yvert # 167;
	The Knob-billed Duck . Sarkidiornis melanotos.
	Color: multicolored
	Date of Issue: 06.10.1988
	Face Value: 35 c
	Designer: no information
	Stamp Size: 35 × 30 mm.
	Stamp Quantity: 350 000
	Perforation: 14½

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