#17671978 Trees, Gray Birch 15c
$0.20- $3.20 #17641978 Trees, Giant Sequoia 15c
$0.20- $3.20 #17661978 Trees, White Oak 15c
$0.20- $3.20 #1001938 Cayman Islands
$0.25 #17621978 American Owls, Barred Owl 15c
$0.25- $3.20 #17551978 13c Jimmie Rodgers
$0.35- $37.00 #17631978 American Owls, Great Horned 15c
$0.25- $3.20 #17611978 American Owls, Saw-Whet 15c
$0.25- $3.20 #17901979 10c 1980 Summer Olympic Games
$0.25- $38.50 #17541978 13c Early Cancer Detection
$0.20- $30.00 #17601978 American Owls, Great Gray 15c
$0.25- $3.20 #17531978 13c French Alliance
$0.20- $27.50 #17521978 American Dance, Modern 13c
$0.25- $3.20 #17501978 American Dance, Theatre 13c
$0.25- $3.20 #17491978 American Dance, Ballet 13c
$0.25- $3.20 #17511978 American Dance, Folk 13c
$0.25- $3.20 #17571978 13c CAPEX souvenir sheet
$3.50- $27.95 #17811979 Amer. Architecture/Boston St Hs 15c
$0.20- $3.20 #14611976 Korea, Dem. People's Republic
$0.75 #17451978 Basket Design Quilts, Flowers 13c
$0.25- $3.20 #17781979 Pa. Toleware, Coffee Pot 15c
$0.20- $2.95 #17841979 Endangered Flora, Broadbean 15c
$0.20- $2.95