25¢ Owl and Grosbeak Bird - Pack of 25 unused stamps from 1988
29¢ Summer Garden Flowers - Pack of 25 unused stamps from 1994
20¢ Orchids - Pack of 25 unused stamps from 1984
18¢ Wildlife Habitats - Pack of 25 unused stamps from 1981
8¢ Wildlife Conservation - Pack of 25 unused stamps from 1971
15¢ Endangered Flora - Pack of 25 unused stamps from 1979
