Environment on stamps

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  Antigua 1976 Irrigation Scheme $2.50 (with imprint) unmounted mint imperforate pair (as SG 484B) £25.00
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  Antigua 1976 Irrigation Scheme $2.50 (without imprint) unmounted mint imperforate pair (as SG 484A) £30.00
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  Antigua 1976 Irrigation Scheme $2.50 (with imprint) set of 6 imperf progressive colour proofs comprising the 4 basic colours, blue & yellow composite plus all 4 colours (as SG 484B) unmounted mint £35.00
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  Rwanda 1983 Soil Erosion set of 10 unmounted mint, SG 1151-60 £4.50
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  Maldive Islands 1988 Environment Day (Tree) m/sheet unmounted mint, SG MS 1277 £4.95
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  Maldive Islands 1988 Environment Day set of 3 unmounted mint, SG 1274-6 £2.95