#U6121988 8.4c US Frigate Constellation Env.
$1.75- $2.95 #U6091985 6c Frigate U.S.S. Constitution Env.
$1.75- $2.50 #U58813/2c Liberty Tree
$1.75- $2.95 #U5516c light green 1968
$0.80- $2.50 #U5434c Brown 1960
$1.75- $2.50 #U5411 1/4c turquoise 1960
$1.75- $2.50 #U5505c bright purple 1965
$1.25- $2.50 #U57313c brown & bright green 1976
$1.75- $2.95 #U5364c red violet 1958
$1.75- $2.50 #U5668/2c 1973 Eagle
$2.50 #U5782.1c green 1977
$1.50- $2.50 #U5471 1/4c brown 1965
$1.75- $2.50 #UC337c Blue 1958
$1.75- $2.50 #U5681 8/10c blue green 1974
$1.75- $2.50 #U5611971 6c + (2c) Light Green
$1.50- $3.75 #U5422 1/2c Dull Blue 1960
$1.75- $2.50 #U56910c yellow, brt. blue & light green 1974
$2.00- $3.00 #U6041983 5.2c USA Stamped Envelope
$1.75- $2.95 #U5546c blue 1970
$1.00- $2.50