Lot
1677 
Canal Zone, Airmail, 1951, 31¢ Globe & Wing, imperf vertically. Horizontal pair, large part o.g., light stain & right stamps with light crease, Very Fine appearance; with 2006 P.S.E. certificate. Scott No. C25a $1,000.
Realized: $475
Lot 1678 o
Canal Zone, Airmail Official, 1941, 10¢ orange, type II. Light machine cancel, o.g., n.h., F.-V.F.Scott No. CO9 $275.
Realized: $250
Lot
1679 
Canal Zone, Registration Envelope, 1918, 10¢ on 5c black & red on cream, wide surcharge. Unused, quite clean, Very Fine. Scott No. UF1a Estimate $1,500 - 2,000.
Realized: $1,300
Lot
1680
Cuba, 1899, 10c on 10¢ brown, type II. O.g., lightly hinged, precision centering amid well balanced margins, strong bright color, very fresh, Extremely Fine and choice, one of the finest examples of this very rare special printing issue; with P.F. certificate. Scott No. 226A $6,000.
Realized: $9,000
Lot
1681 
Cuba, Postage Due, 1899, 2c on 2¢ deep claret, inverted surcharge. Cork canceled on small piece, attractively centered, F.-V.F., considered to be the finest of the few known examples of this extremely rare Inverted Overprint, ex Robertson & Drucker; signed George Sloane, with 1986 P.F. certificate. Scott No. J2a $4,000.
Realized: $6,750