Michel # 2248; Scott # 2098; Stanley Gibbons # 2243; Yvert # 2008;
	The Muskrat . Ondatra zibethicus.
	Color: multicolored
	Date of Issue: 29.06.1973
	Face Value: 1 st
	Designer: M. Peykova & G. Kovachev
	Stamp Size: no information
	Stamp Quantity: 3 500 000
	Perforation: 12¾ : 13¼

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