Lot
1791 
Argentina, 1858, Confederation, 10c green, diagonal bisect, upper left portion of stamp with full margins and rich color, neatly tied by fancy "Salta Franca" postmark on folded letter sheet to Tucuman, Very Fine; signed Calves, with 2008 P. Scheller certificate. Scott No. 2f Estimate $400 - 600.
Realized: $210