UNITED NATIONS (1972) Conference on Human Environment. Set of 2 imperforate pairs. Scott Nos 229-30, Yvert Nos 222-3. From the UN printer archives. Rare!
AVAILABLE AT $120
UNITED NATIONS (1982) Leaf*. Imperforate corner block of 4. Scott No 380, Yvert No 381. Environmental Protection. From the UN printer archives. Rare!
AVAILABLE AT $120
UNITED NATIONS (1984) International Conference on Population. Imperforate pair. Scott No 417, Yvert Nos 408. From the UN printer archives. Rare!
AVAILABLE AT $60
BENIN (1986) Trees*. Imperforate pair. Scott No 620. Fight against desertification.
AVAILABLE AT $10
CONGO (1986) Garbage disposal*. Set of 2 imperforate blocks of 4. Scott Nos 752-3. Environment Day.
AVAILABLE AT $40
MALDIVES (1972) Globe*. Environment symbol*. "Only One Earth". Set of 5 imperforate pairs. Scott Nos 412-6, Yvert Nos 398-402. UN Conference on Human Environment.
AVAILABLE AT $100
BELGIUM (1967) Birches. Trientalis. Sand dunes. Flowers. Set of 2 imperforates. Scott Nos 684, Yvert Nos 1408-9. Nature preservation.
AVAILABLE AT $25
BELGIUM (1974) Environmental protection. Imperforate. Scott No 864, Yvert No 1700.
AVAILABLE AT $10
FRENCH POLYNESIA (1976) Hand protecting bird. Full sheet of 25 imperforates. Scott No 289, Yvert Nos 108. World Ecology Day.
AVAILABLE AT $250
MALI (1979) Map of Mali in green. Imperforate corner block of 4. Project Green Sahel. Scott No 338, Yvert No 344.
AVAILABLE AT $20
UNITED NATIONS (GENEVA) (1981) Sources of renewable energy. Imperforate pair. Scott No 102. From the UN printer archives.
AVAILABLE AT $75
UNITED NATIONS (VIENNA) (1996) Gymnast on parallel bars*. Imperforate pair. Sport and the environment. Scott No 205. From the UN printer archives.
AVAILABLE AT $75
UNITED NATIONS (VIENNA) (1996) Hurdler*. Imperforate pair. Sport and the environment. Scott No 206. From the UN printer archives.
AVAILABLE AT $75
UNITED NATIONS (GENEVA) (1996) Sprinters*. Imperforate pair. Sport and the Environment. Scott No 290. From the UN printer archives.
AVAILABLE AT $75
MALDIVES (1972) Globe*. Environment symbol*. "Only One Earth". Set of 5 imperforates. Scott Nos 412-6, Yvert Nos 398-402. UN Conference on Human Environment.
AVAILABLE AT $50
MALI (1978) Desert reclamation. Imperforate block of 4. Scott No 306, Yvert No 307.
AVAILABLE AT $20
MALI (1979) Men planting trees*. Imperforate dated corner block of 4. Project Green Sahel. Scott No 339, Yvert No 345.
AVAILABLE AT $20
MAURITANIA (1982) World Environment Day*. Imperforate corner block of 4. Scott No 514, Yvert No 510.
AVAILABLE AT $20
NEW CALEDONIA (1985) Hand planting trees*. Imperforate corner block of 4. Scott No 532, Yvert No 509.
AVAILABLE AT $25
NEW CALEDONIA (1985) Hand planting trees*. Imperforate pair. Scott No 532, Yvert No 509.
AVAILABLE AT $12
NEW CALEDONIA (1987) Headphones*. Plane*. Ship*. Auto*. TV*. Moto*. Nature scene*. Imperforate corner block of 4. Scott No C212, Yvert No PA255. Fight Against Noise Pollution.
AVAILABLE AT $25
NEW CALEDONIA (1987) Headphones*. Plane*. Ship*. Auto*. TV*. Moto*. Nature scene*. Imperforate pair. Scott No C212, Yvert No PA255. Fight Against Noise Pollution.
AVAILABLE AT $12