Michel # 3924; Scott # 3582; Stanley Gibbons # 3764;
	The Greylag Goose . Anser anser.
	Color: blue and black
	Date of Issue: 21.08.1991
	Face Value: 25 st
	Designer: T. Vardzhiev
	Stamp Size: no information
	Stamp Quantity: 7 500 000
	Perforation: 14 : 13 ¾

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