Lot 60
  
Colombia, Airpost; 1920, 10c Red, Juxtapositioned Corner Block, #C11 var., n.h., horiz. crease and small tone spot top middle, large margins all around, fresh, Very Fine appearance.
Sanabria #16-16A $1,620+, Only one such block per sheet of 68 .
Estimate $500-750.
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| Realized $920 |
