THIS IS AN ORIGINAL B/W OAG GUIDE SCHEDULE & ROUTE MAP & FARES FROM LINEAS AEREAS MINERAS S.S OF MEXICO CITY.IT IS FROM 1940,IN EXCELLENT CONDITION,MEASURING 8" X 11"..IT SHOWS COMPLETE FLIGHT SCHEDULE WITH AIRCRAFT TYPE OF S-38 & LOCKHEED VEGA AND TRI-MOTOR SERVICE AND ROUTE MAP AND FARES....POSTAGE ON 1 ITEM IS THE SAME AS FOR 100.....PLEASE VISIT MY E-BAY STORE....NOSTALGIA AIRWAYS...