#3506c2001 34c Great Plains Prairie: American Buffalo and Black-tailed Prairie Dogs
$1.50- $2.95 #U6462001 34c Federal Eagle 6-3/4 PSE FDC
$1.75- $2.95 #13921970 6c Wildlife Conservation
$0.20- $22.00 #UX1081985 14c Postal Card - George Wythe
$0.70- $2.00 #5691923 30c Buffalo, olive brown
$0.55- $475.00 #UX1071985 25c Postal Card - Clipper Flying Cloud
$1.25- $2.00 #3505d2001 80c Buffalo
$2.00- $3.20 #U5741976 13c Stamped Envelopes and Wrappers - brown & orange
$2.50- $2.95 #U6121988 8.4c Stamped Envelopes and Wrappers - US Frigate Constellation
$1.75- $2.95