#UC341958 7c Air Post Envelope, carmine
$1.75- $2.50 #UC361962 8c Air Post Envelope, red
$1.75- $2.50 #UC351961 11c Air Post Envelope, red & blue
$1.75- $2.50 #UC32a1958-59 10c Air Post Envelope, blue & red
$2.00 #UC171947 5c Air Post Envelope, carmine
$2.50- $4.50 #UC261958 7c Air Post Envelope, Blue
$1.75- $2.50 #UC251956 6c Air Post Envelope, red
$1.75- $3.20 #UC381965 11c Air Post Envelope, red & dark blue
$1.75 #UC401968 10c Air Post Envelope, red
$1.75- $2.50 #UC371965-67 8c Air Post Envelope, red
$1.75- $2.50 #UC181950 6c Air Post Envelope, carmine, type I
$1.75 #UC391967 13c Air Post Envelope, red & dark blue
$1.75- $3.20 #UC141946 5c Air Post Envelope, Carmine
$2.25 #UXC271999 55c Mount Rainier PC FDC
$2.00 #U6121988 8.4c US Frigate Constellation Env.
$1.75- $2.95 #UC421968 13c Air Post Envelope - Human Rights Year
$1.75- $3.20 #U58813/2c Liberty Tree
$1.75- $2.95 #U6091985 6c Frigate U.S.S. Constitution Env.
$1.75- $2.50 #UXC282001 70c Badlands National Park PC FDC
$2.00- $2.25