Lot
1851 
1873, 10¢ brown, used with 5¢ blue (179), nat. s.e. at left, both tied by "Ocean Grove N.J. Aug 16" duplex with target cancel on 1878 cover addressed in purple ink to Argentina, red London (8.26) transit, "Buenos Aries, Oct 1 1878" backstamp, clean and Very Fine. Scott No. 161 Estimate $300 - 400.