Michel # 273; Scott # 270; Stanley Gibbons # 296; Yvert # 269;
	The Winged Frog (or Maple Leaf) Shell . Biplex perca.
	Color: multicolored
	Date of Issue: 09.04.1977
	Face Value: 50 c
	Designer: no information
	Stamp Size: 20 × 30 mm.
	Stamp Quantity:no information
	Perforation: 13:13½

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