BOLIVIA (1987) Condor*. Tapir*. Vicuna*. Armadillo*. Spectacled bears*. Toucans*. Complete set of 6 imperforates. Wildlife conservation. Scott Nos 742-7, Yvert Nos 683-8.
AVAILABLE AT $75
UNITED NATIONS (VIENNA) (1982) Stylised fish*. Imperforate pair. Conservation and Preservation of Nature. Scott No 28. From the UN printer archives.
AVAILABLE AT $75
UNITED NATIONS (VIENNA) (1982) Stylised elephant*. Imperforate pair. Conservation and Preservation of Nature. Scott No 29. From the UN printer archives.
AVAILABLE AT $75
FRENCH POLYNESIA (1975) Fish. Leaf. Imperforate corner bl/4. Scott No 286, Yvert No 105.
AVAILABLE AT $60
RWANDA (1976) Watering hole. Impatiens. Imperforate proof sheet. Scott No 686. Nature protection.
AVAILABLE AT $200
RWANDA (1976) Antelopes. Zebras. Candelabra cactus. Imperforate proof sheet. Scott No 687. Nature protection.
AVAILABLE AT $200
RWANDA (1976) Butera Lake. Egyptian white lotus. Imperforate proof sheet with signature. Scott No 688. Nature protection. Small defects in upper left corner.
AVAILABLE AT $200
RWANDA (1976) Erosion prevention. Protea madiensis. Imperforate proof sheet. Scott No 689. Nature protection.
AVAILABLE AT $200
RWANDA (1976) Lobelia. Senecons. Imperforate proof sheet. Scott No 691. Nature protection.
AVAILABLE AT $200
RWANDA (1976) Sabyinyo volcano. Polystachya kermesina. Imperforate proof sheet. Scott No 692. Nature protection.
AVAILABLE AT $200
RWANDA (1980) Fertilizer shed. Water buffalo. Imperforate strip of 5 from proof sheet. Scott No 1002. Soil Conservation Year.
AVAILABLE AT $60
NEW CALEDONIA (1981) Fish*. Trees*. Imperforate corner block of 4. Nature Preservation issue. Scott No 469, Yvert No 452. Hard to find!
AVAILABLE AT $25
NEW CALEDONIA (1981) Fish*. Trees*. Imperforate pair. Nature Preservation issue. Scott No 469, Yvert No 452.
AVAILABLE AT $12