#UC171947 5c Air Post Envelope, carmine
$2.50- $4.50 #UC391967 13c Air Post Envelope, red & dark blue
$1.75- $3.20 #UC361962 8c Air Post Envelope, red
$1.75- $2.50 #UC251956 6c Air Post Envelope, red
$1.75- $3.20 #UC32a1958-59 10c Air Post Envelope, blue & red
$2.00 #UC351961 11c Air Post Envelope, red & blue
$1.75- $2.50 #UC331958 7c Air Post Envelope, blue
$1.75- $2.50 #UXC21958 5c Eagle
$1.33- $1.75 #UC341958 7c Air Post Envelope, carmine
$1.75- $2.50 #UXC14c 1949 Eagle
$0.90- $2.00 #UC261958 7c Air Post Envelope, Blue
$1.75- $2.50 #1530-371974 10c Universal Postal Union
$3.50- $24.95 #UC181950 6c Air Post Envelope, carmine, type I
$1.75 #UXC46c 1963 Bald Eagle
$1.75- $2.00 #8941940 3c Pony Express 80th Anniversary
$0.30- $45.00 #UC381965 11c Air Post Envelope, red & dark blue
$1.75 #C761969 10c Moon Landing
$0.30- $20.00 #UXC171978 21c Jenny
$1.33- $1.75 #U6962017 49c Barn Swallow - Stamped Envelope
$1.55- $3.50