Rare Stamps & Postal History of the World

1920 10c Condor on Cliff, large margins all around, especially at left, bright colors, tied by oval Barranquilla handstamp on cover used with National 3c adhesive at upper right tied by violet March 4, 1920 datestamp, arrival postmark on back, part of adhesive glue showing around the stamp, v.f., signed Herbert Bloch, with 1979 Friedl certificate. The Condor on Cliff stamp is rare in any condition, especially with margins all around. It is one of only six covers and only 19 used examples have been recorded,
Cat. Val. $5,000
Estimate: $5000