Mexico, (Saltillo) Vienzca (Alamo de parras), two folded letters; 1852 from Hornos to Parras with red circular postmark (ST21) and "2" rate handstamp, and 1853 to Durango with boxed postmark in red (ST22) and matching "2" rate handstamp, Very Fine. Estimate  $200 - 300. $0 (Image)