Michel # 1671; Scott # 1401; Stanley Gibbons # 1645; Yvert # 1512;
	The Brontotherium . Megacerops coloradensis.
	Color: multicolored
	Date of Issue: 05.03.1966
	Face Value: 3.40 Zl
	Designer: no information
	Stamp Size: no information
	Stamp Quantity: 2 386 100
	Perforation: 12½

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