World Wide Fund for Nature, 1969 - 2015, gigantic mint never hinged collection with many special feature like unperforated issues, counter sheet, sheetlet, Secretary of State souvenir sheets, Specimen overprints etc., with innumerable sought-after and good issues like Michel no. Algeria 972 / 75U, antique & Barbuda Mail, Belize 719 / 22U and pages 62, Burundi 1596 / 608U with corner margin, El salvador minature sheets. 1734 / 37, France 1683U, Ghana 702 / 05B, Niue 972, 977 and pages 130I, Paraguay minature sheets. 4225 / 28, Soviet Union minature sheets. 5540 and 5694 / 97 (ice bears), Swaziland minature sheets. 398 / 402, and Central African Republic 959 / 90U, additionally counter sheet Aghanistan 1453 / 56, Algeria 972 / 75, Chile Michel no. 986 / 87, Yugoslavia 2260 / 63, Senegal 875 / 78, Tonga 1400 / 03, and Zaire 875 - 879. the life work of a collector, the an impressing collection this favorite area with enormous financial, temporal and imaginary use created has, becomes with this lot closed and without any withdrawals offers. Probably unique opportunity the rarities the World Wide Fund for Nature philately at a blow to acquire. The collection is clean on self-formed pages in 44 ring binder made up. The catalogue value, as far as ever discoverable, is on wide over 50.000.- plus the multiplicity the non-cataloged respectively without valuation remained pieces.