Michel # 3923; Scott # 3581; Stanley Gibbons # 3728;
	The Domestic Sheep . Ovis aries.
	Color: brown and black
	Date of Issue: 21.08.1991
	Face Value: 20 st
	Designer: T. Vardzhiev
	Stamp Size: no information
	Stamp Quantity: 8 000 000
	Perforation: 14 : 13 ¾

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