Michel # 2585; Scott # B185; Stanley Gibbons # 2764;
	The Glass-winged Syrphus . Syrphus vitripennis.
	Color: multicolored
	Date of Issue: 16.12.1981
	Face Value: 20+2.5 TRL
	Designer: no information
	Stamp Size: 41 × 26 mm.
	Stamp Quantity: 600 000
	Perforation: 13¼:14

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