CANADA, 1928, 5c Brown Olive,
Air Post, Vertical Pair, Imperforate Horizontally (C1 var). Wide
margins with part imprint at top, top stamp lightly hinged, fresh
and Very Fine, Unitrade value (Image)
CANADA, 1928, 5c Brown Olive,
Air Post, Vertical Pair, Imperforate Horizontally (C1 var). Mint N.H.
with part imprint at top, rich color, Very Fine and choice, Unitrade
value (Image)
FAROE ISLANDS, 1940-41,
20-60o on 1o-15o Surcharges (2-6). Complete set with additional Denmark
franking tied by Thorshavn Nov. 3, 1943 circular datestamps on registered
airmail cover to Chicago stamp dealer, censor's label at left, Very Fine,
extremely scarce set, Scott Retail for stamps off cover $385.00 (Image) 
FRANCE, 1928, 10fr on 90c Ile
de France Air Post Surcharge (C3). Used with 10c Sower, both tied by
"New York au Havre 23-8 28" octagonal datestamp on flown cover to Paris
(AAMC 1081), six-line flight cachet, slightly reduced at top clear of
stamps and markingsVERY FINE EXAMPLE OF THE SCARCE "ILE DE FRANCE" 10-FRANC SURCHARGE ON A FLOWN COVER.
Scott Retail for cover (Image)
FRANCE, 1956, 5fr Monoplane
over Paris, Air Post (C15). Barely hinged, bright colors, Very Fine and
choice (Image) 
FRANCE, 1943, 1fr50c Batiment
de Ligne "Richelieu" Ovpt. Tied by May 24, 1943 octagonal datestamp on
cover to Dakar, Senegal, French and U.S. censor handstamps, receiving
backstamp, Very Fine, signed Sanabria
(Image) 
ICELAND, 1931, 10c-1-1/2g
DO-X Ovpts. (C1-C7). Complete set tied by handstamped flight cachet on
cover, also two other flown covers with 20c (faint period, almost missing)
& 60c, and 10c (without period) & 15c, Very Fine, Scott Retail $300.00+
without premium for variety or usage (Image) 
ITALY, 1934, 1l King
Emmanuel, Air Post (C73). Used with 10c on flown card from Rome to
Mogadiscio, Rome Nov. 9 and Tobruk Nov. 10 special flight datestamps,
purple handstamped cachet, Very Fine (Image) 
JAMAICA, 1916, Red Cross
Label, "Jamaica" Ovpt. in Black. Used with 1-1/2p War Tax on Myers Rum
advertising cover, both tied by Myers Wharf Aug. 1, 1917 datestamp,
Kingston and Annotto Bay backstamps, Very Fine and scarce (Image) 
LATVIA, 1933, 10s-100s
Latvia-Africa Flight Overprints (C9-C13). Complete set with large
margins, tied by Riga May 28, 1933 circular datestamps on registered cover
to New York stamp dealer, Extremely Fine, very scarce as a set on cover,
signed Sanabria and Heiman, Scott Retail $297.00 off cover (Image) 
LIBERIA, 1936, 6c on 1c-3c
Air Post Surcharge (C1-C3). Set of three matching covers with two-line
printed cachet, each tied by Monrovia Nov. 28, 1936 circular datestamp,
Harper receiving datestamp, Very Fine set, each signed Heiman, Scott Retail
for stamps off cover $450.00 (Image)