Michel # 1827; Scott # 1702; Stanley Gibbons # 1824; Yvert # 1612;
	The Autumn Emperor Moth . Perisomena caecigena.
	Color: purple
	Date of Issue: 26.08.1968
	Face Value: 1 st
	Designer: M. Peykova & V. Vasileva.
	Stamp Size: no information
	Stamp Quantity: 5 000 000
	Perforation: 10 ½

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