Michel # 976; Scott # 668; Stanley Gibbons # 1060; Yvert # 611;
	The Chestnut-fronted Macaw . Ara severus.
	Color: multicolored
	Date of Issue: 11.05.1981
	Face Value: 20 BOP
	Designer: no information
	Stamp Size: no information
	Stamp Quantity: 250 000
	Perforation: 14:13¾

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