Cormac says to Charon " He will send him back to Zimbabwe. In the 1970's when the series is set Zimbabwe was still Southern Rhodesia, it did not become Zimbabwe until gaining independence in 1980, although was known as Zimbabwe Rhodesia from 1979.
When Mrs. Davenport sits down at the table in the restaurant, she appears to be drinking a Cosmopolitan, which was invented at the Odeon in New York City in the '80's.