Raffles (TV Series)

Aroview: Known by day as A.J. Raffles, gentleman of leisure and top-rate cricketer, at night Raffles becomes "the amateur Cracksman", an expert jewel thief in Edwardian London.
Alternately aided and hindered by his best friend, Raffles mixes with, and steals from, society’s elite - but he has one golden rule - never steal from one’s host - it’s not the done thing.

A dapper British classic from the 1970's.