Michel # 2478; Scott # 2311; Stanley Gibbons # 2459;
	The Mallard . Anas platyrhynchos.
	Color: multicolored
	Date of Issue: 27.03.1976
	Face Value: 13 st
	Designer: L. Chehlarov
	Stamp Size: no information
	Stamp Quantity: 860 000
	Perforation: 11¾

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