Perú 1948-49, Infiernillo Canyon (Cañón del Infiernillo), highway and railway from Lima to Central Andes, 3,300 mts ASL, light blue stamp, S/.0.70, in good shape, very rare antique stamp, ask anything you want before bidding, it is sold as it is shown in the picture, combined shipping available up to 20 stamps. Don't you like the price? Then make an offer, and drop it. 

BUY 4 STAMPS AND I GIVE YOU THE 4th ONE, THE LESS EXPENSIVE FOR FREE