Michel # 621; Scott # 607; Stanley Gibbons # 745; Yvert # 614D;
	The Common Sundial . Architectonica nobilis.
	Color: multicolored
	Date of Issue: 09.02.1977
	Face Value: 50 E
	Designer: no information
	Stamp Size: 37 × 25 mm.
	Stamp Quantity: 250 000
	Perforation: 12:12½

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