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US Semi Official Souvenir Card SO43, Statue of Liberty Vignette & Hologram, ABNC
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EDSROOM-16036 Germany CL4 Used 1912 Semi Official Airmail CV$150
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1925 Geneva Switzerland Swiss Aviation Day Cover # C6 C7 Semi Official Stamps
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US Semi Official Souvenir Card SO72 200th Anniversary
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US Semi Official Souvenir Card SO24 SPMC
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Canada: Semi-Official Airmail Stamp, Sc #CL45, MH (60764)
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Canada: Semi-Official Airmail Stamp, Sc #CL12, MNH (60777)
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Semi-Official Airmail Western Canada Airways to Montreal 1928
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1925 Geneva Switzerland Swiss Aviation Day Cover # C6 C4 Semi Official Stamps
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1925 Geneva Switzerland Swiss Aviation Day Cover # C6 C7 Semi Official Stamps 2
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CANADA CL40 Airmail Semi-Official 1oz WESTERN CANADA AIRWAYS Mint PHOTOS F-675
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CANADA B.O.B. CL42 AIR POST SEMI-OFFICIAL DIE PROOF
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US Semi Official Souvenir Card SO21 CCCC
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Sweden 1912 First Airmail Flight Semi-Official Label Commercial Cover
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CA Semi Official Souvenir Card SO46 CAPEX
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Germany Semi-Official Airmail MiV EELP Goose 10pf MH Expertized Peschl BP 104078
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Germany Semi-Official Airmail MiVI EELP Goose 20pf MNH Expertized Brettl B 83464
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US Semi Official Souvenir Card SO33 SPMC
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CA Semi Official Souvenir Card SO47 CAPEX
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Postal History Germany Postcard Semi Official 1912 Airmail Flight Unlisted H&G
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CANADA ~ CL13 ~ 1926 - FIRST DAY - SEMI-OFFICIAL FLIGHT COVER!
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US Semi Official Souvenir Card SO69 200th Anniversary
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CA Semi Official Souvenir Card SO50 CAPEX
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Belgium Semi-postal & Official Stamps Used ( Lot 44 File 123)
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GERMANY 1912 Air Mail MAINZ/RHIEN,Semi-Official LOCAL stamp 10 Pf. USED AIRPLANE
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Canada: Semi-Official Airmail Stamp, Sc #CL3, MH (60773)
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Mint Souvenir Card - Semi-Official - SO1 SIPEX 1966
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US Semi Official Souvenir Card SO41, $3 Commercial Agricultural Bank, ABNC
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CA Semi Official Souvenir Card SO27 Canada
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CA Semi Official Souvenir Card SO7 CAPEX
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Canada AIR POST SEMI-OFFICIAL-Sc#CL40-AAMC#105d-CANCELED JUN 10 1928(
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CA Semi Official Souvenir Card SO31 Unnumbered Wood Bison, CABNC SHOW CANCEL
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CA Semi Official Souvenir Card SO36 CPMS with Info Sheet
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Canada CL44, Vancouver Semi Official Cover (folded) RET $175 - Stuart Katz
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CL 48 CANADA SEMI official, PINE to PALM, AKLAVIK , NWT - MIAMI FL , ESSAY
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CANADA ~ #CL46~ 1929 SEMI-OFFICIAL A/M - AAMC #146
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1913 SWITZERLAND FIRST FLIGHT COVER WITH SEMI-OFFICIAL AIRMAIL STAMP CAT $700
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THAILAND ALBUM w/ SEMI's, AIR, OFFICIALS - SEE DESCRIPTION - LOOK!
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CL27, Semi-Official VF Cover - Red Lake to Sioux Lookout - Stuart Katz
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Germany Stamps Semi-Official Mi 4 50M Volksfest O/P FDCanc VF 1919 MCV €60++
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France Sc#163,#139-BOURGES AVIATION MEETING-Mu#205-SEMI~OFFICIAL-Sanabria #SO3(x
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RUSSIA - UNISSUED STAMPS - BLOCKS - SEMI-OFFICIAL
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SEMI OFFICIAL AIRMAIL - #CL42 - 1927 - A.C.ROESSLER COVER
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1929 CANADA SEMI-OFFICIAL FLIGHT COVER FORT SIMOSON CL-40 WESTERN CANADA AIRWAYS
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Germany 1912 Empire MiIV Semi-Official Airmail Used Gelber Hund 89763
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