Michel # 1839; Scott # 1711; Stanley Gibbons # 1830; Yvert # 1614;
	The Common Tern . Sterna hirundo.
	Color: multicolored
	Date of Issue: 12.09.1968
	Face Value: 5 st
	Designer: Z. Taseva
	Stamp Size: no information
	Stamp Quantity: 400 000
	Perforation: 10 ½

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