Lot
1552 
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Airmail Semi-Official, 1877, 5¢ Buffalo Balloon, tête-bêche. Schoendorf Type II, vertical pair, o.g., hinge remnant (one stamp never hinged), large nicely balanced margins, rich color, hinged stamp with trivial thin spot, otherwise Very Fine, a marvelous tête-bêche pair of this extremely rare semi-official balloon issue; each stamp with Sanabria handstamp. Scott No. CL1a $21,500.
Realized: $19,000