| X | 3c | grn & blk | Queen Elizabeth II |
| X | 10c | multi | Geothermal Exploration | .20 | .20 | |
| X | 35c | multi | Hydrogeology | |||
| X | 45c | multi | Petroleum Exploration | |||
| X | 70c | multi | Environmental Preservation |
| - | 10c | multi | Xeromphalina tenuipes | .20 | ||
| - | 40c | multi | Dictyophora indusiata | |||
| - | $1 | multi | Leucoprinus birnbaumii | |||
| - | $2.25 | multi | Crinipellis perniciosa |
| - | 50c | multi | Wendy Fitzwilliam | |||
| - | $1.25 | multi | Wendy Fitzwilliam on beach | |||
| - | $2.50 | multi | Wendy Fitzwilliam | |||
| - | $3 | multi | Wendy Fitzwilliam | |||
| - | $5 | multi | Wendy Fitzwilliam |
| - | $1 | multi | ||||
| - | $2.50 | multi | ||||
| - | $3.75 | multi | ||||
| - | $4.50 | multi | ||||
| - | $5.25 | multi | ||||
| - | $15 | multi |
| - | $1.00 | multi | ||||
| - | $2.50 | multi | ||||
| - | $3.75 | multi | ||||
| - | $4.50 | multi | ||||
| - | $5.25 | multi | ||||
| - | $15.00 | multi |