Michel # 859; Scott # 788; Stanley Gibbons # 921; Yvert # 845;
	The Blue Swimmer Crab . Portunus pelagicus.
	Color: multicolored
	Date of Issue: 06.12.1981
	Face Value: 0.50 MZM
	Designer: no information
	Stamp Size: 45 × 34 mm.
	Stamp Quantity: 320 000
	Perforation: 11

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