Postal Rates of Chile (Tarifas Postales de Chile) 1766-1959, by R A Towle.

Published by Chile Collector, 2003.  H/B, 229pp.

A study of the domestic and international (including UPU and UPAEP) postal rates of Chile between 1766 and 1959.  There are separate sections on special services, such as registered and Expres mail, and airmail surcharges.  Profusely illustrated with colour images of covers representing the different rates.