This Overprint Stamp Souvenir Sheet was issued in Tonga Niuafo'ou (Tin Can Island) 1991. It commemorates the Ornithological ad Scientific Expedition of that year for Whales and Birds. The Sheet is Scott Catalog #139 and is Post Office fresh, mint never hinged, and F/VF. Click here to visit my eBay Store for other auctions and Direct Sale items:
