$5

1969 aviation cachet cover Commemorative Flight Creswell OR to Eugene OR

$14.99

US BALLOON AUTOGRAPH PILOTS 1980 ,3 DIFF

$3.32

US Army Postal Service 1918 - Naval Censor Cover - F68286

$3.49

WAYFARERS' CHAPEL, PORTUGUESE BEND, CA - PC3232

$3.49

THE WASHINGTON HILTON & TOWERS, WASHINGTON, D.C. - PC4659

$30

1990 STAMPS US TEXAS Stamps 279/5000 Limited Edition Rare In Frame Fast Ship

$3.49

BURDINE'S, MIAMI BEACH, FL - PC6978

$3.49

TARPON IN MID-AIR, HOOKED OFF PORT ISABEL, TX - PC7303

$15

CANANDAIQUA, N. Y. TO STATE BRIDGE, NEW YORK / OCTOBER 31, 1881 NY CENTRAL RPO

$5

1948 cachet cover Chicopee Massachusetts centenary

$3.49

CLEVELAND PUBLIC AUDITORIUM, CLEVELAND, OH - PC667

$29.59

1880 North Penn'a RR - Sallersville RPO / Towle Unlisted / Light Creasing - L212