Home / Stamps / THEMATICS / WORLD WILDLIFE FUND / FIRST DAY COVERS / CONGO – 2006 WWF ‘COMMON HIPPOPOTAMUS’ Set of 4 First Day Covers [B6510] CONGO – 2006 WWF ‘COMMON HIPPOPOTAMUS’ Set of 4 First Day Covers [B6510]Description Fine Condition – See scan Price(AUST) $10.00 2 in stock Quantity Buy with – OR – Add to cart SKU: B6510 Categories: FIRST DAY COVERS, Stamps, THEMATICS, WORLD WILDLIFE FUND