Michel # 174; Scott # 427; Stanley Gibbons # 716; Yvert # 121;
	The Smooth-coated Otter . Lutrogale perspicillata.
	Color: green
	Date of Issue: 01.07.1956
	Face Value: 20 S
	Designer: no information
	Stamp Size: 25 × 21 mm.
	Stamp Quantity:no information
	Perforation: 12½:13½

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