1928 Spartansburg SC C11 Aug I 1st Day Of New 5c Air Mail Rate
RM 24.79RM 49.58
C11
1928 #C11 & E12 The Rare Combo Of These So Seldom Seen
RM 92.97RM 185.93
1929 Cam19 Baltimore Md To New York W/C11 & Special Delivery On Dinnebier Cover-
RM 40.49RM 80.98
1928 Atlanta Ga 1st Flight Cam25 To Jacksonville Fl W/C11
RM 15.91RM 31.81
C11 Arrow On Cover Type 1 Position UR W/Price Guide Of Types & Positions
RM 51.65RM 103.30
C11 Arrow On Cover Type 4 Position UL W/Price Guide Of Types & Positions
RM 41.32RM 82.64
1928 Eppley Hotels Co Shows Their 16 Members & Locations W/C11 Stamp
RM 33.67RM 67.35
1928 Aug 1 W/C11 New 5c Airmail Rate From 10c Day Before On Overwing Cachet---
RM 30.99RM 61.98
1930 Cover Atlas Packing & Rubber Co Seattle Wa W/C11 & Etiquette
RM 23.34RM 46.69
1928 Aug 1 C11 New 5c Airmail Rate From 10c Day Before On Red & Blue Stripped
RM 19.63RM 39.25
1928 Philadelphia Pa The Scarce Red Cross W/C11 On Airmail Cover
RM 28.92RM 57.85
1928 WRIGHT BOOTHERS SILVER ANNIVERSARY W/C11, KITTY HAWK
RM 16.40RM 32.85
1931 Florence SC 1st Flight Cam19 W/C11
RM 15.62RM 31.20
1929 Goldendale Wa Dedication W/C11 & Flag Cancel
RM 25.82RM 51.65
C11 Set Of 4 Covers W/Arrows All Positions Type 3 W/Price Guide Of See Info
RM 247.91RM 495.82
C11 Set Of 4 Covers W/Arrows All Positions Type 4 W/Price Guide Of See Info
RM 247.91RM 495.82
1929 Baltimore MD Cam19 1st Flight W/C11
RM 15.49RM 30.99
1928 Greenbay WI Cam9 1st Flight To Chicago W/C11
RM 18.18RM 36.36
1928 C11 8-1-28 1st Day New Airmail Rate 5c W/Special Imprint On Back Has Folds
RM 46.48RM 92.97
C11 Arrow On Cover Type 4 Position UR W/Price Guide Of Types&Positions See Info
RM 51.65RM 103.30
C11 Arrow On Cover Type 4 Position UR W/Price Guide Of Types&Positions See Info
RM 51.65RM 103.30
C11 Arrow On Cover Type 4 Position UR W/Price Guide Of Types&Positions See Info
RM 51.65RM 103.30
1928 LOUISVILLE 1ST DAY NEW 5c RATE & 1ST CAM #16N6 COMBO BKSTP ETC.
RM 56.40RM 112.80
C11 Arrow On Cover Type 3 Position UR W/Price Guide Of Types&Positions See Info
RM 61.98RM 123.95
C11 Arrow On Cover Type 3 Position UR W/Price Guide Of Types&Positions See Info
RM 51.65RM 103.30
C11 Arrow On Cover Type 3 Position UR W/Price Guide Of Types&Positions See Info
RM 51.65RM 103.30
C11 Arrow On Cover Type 4 Position UL W/Price Guide Of Types&Positions See Info
RM 61.98RM 123.95
C11 Arrow On Cover Type 4 Position LL W/Price Guide Of Types&Positions See Info
RM 61.98RM 123.95
1928 DAVENPORT IOWA DEDICATION #A233 W/MAUCK CACHET & C11
RM 38.01RM 76.03
C11 Arrow On Cover Type 4 Position UL W/Price Guide Of Types & Positions
RM 41.32RM 82.64
C11 Arrow On Cover Type 3 Position LL W/Price Guide Of Types & Positions
RM 41.32RM 82.64
C11 Arrow On Cover Type 2 Position UR W/Price Guide Of Types & Positions
RM 41.32RM 82.64
C11 Arrow On Cover Type 2 Position UR W/Price Guide Of Types & Positions
RM 41.32RM 82.64
C11 Arrow On Cover Type 3 Position LL W/Price Guide Of Types & Positions
RM 41.32RM 82.64
C11 Arrow On Cover Type 4 Position LL W/Price Guide Of Types & Positions
RM 41.32RM 82.64
1930 PITTSBURGH (BLUE) PENNSYVANIA AIR TOUR W/MAUCK CACHET & C11
RM 36.86RM 73.75
1928 Flint Mi Cam #27W To Muskegon W/C11 First Flight
RM 18.59RM 37.19
C11 Arrow On Cover Type 4 Position UL W/Price Guide Of Types&Positions See Info
RM 61.98RM 123.95
C11 Arrow On Cover Type 4 Position UR W/Price Guide Of Types & Positions
RM 30.99RM 61.98
1928 Cam Flint Mi First Flight To Jackson #27W18 W/C11
RM 18.59RM 37.19
1928 Wright Bros Silver 25th Anniv Of 1st Flight W/C11& Mauck Cachet
RM 41.32RM 82.64
C11 Arrow On Cover Type 3 Position LR W/Price Guide Of Types&Positions See Info
RM 61.98RM 123.95
C11 Arrow On Cover Type 2 Position LL W/Price Guide Of Types&Positions See Info
RM 103.30RM 206.59
C11 Arrow On Cover Type 2 Position LR W/Price Guide Of Types&Positions See Info
RM 103.30RM 206.59
C11 Arrow On Cover Type 1 Position UR W/Price Guide Of Types & Positions
RM 51.65RM 103.30
1928 Pontiac MI Cam 27W17 W/C11 On Pink Cover To Detroit
RM 22.72RM 45.45
1928 CLEVELAND OH-LOUISVILLE KY BKSTP 1ST DAY NEW 5c RATE & 1ST CAM #16S1 ETC.
RM 38.22RM 76.44
C11 Arrow On Cover Type 1 Position UR W/Price Guide Of Types & Positions
RM 51.65RM 103.30