Lot
2304 
Transcaucasian Federation, 1923, 25k green & gray violet, vertical pair, in combination with 1923, 1r brown & orange on reverse of cover to Berlin, Germany, tied by "Baku, 13.8.23" cds's; cover fold not affecting stamps, F.-V.F. Scott No. 3+6 Estimate $300 - 400.
Realized: $150