Michel # 2551; Scott # 1886; Stanley Gibbons # 3419; Yvert # 2247;
	The Swan Mussel . Anodonta cygnea.
	Color: multicolored
	Date of Issue: 15.10.1966
	Face Value: 3.25 L
	Designer: Aida Tasgian-Constantinescu
	Stamp Size: 48 × 33 mm.
	Stamp Quantity: 200 000
	Perforation: 13½

---