Found new owner
A very nice example of the top grade Dunhill series. Usually the absense of the year suffix means the pipe was made in 1960 according to some experts. Of course if it's not a patent period pipe. However the most interesting detail of this pipe is the skillfully replased shank. The quality of work and application of the stamping say undoubtedly the procedure was carried out directly at the Dunhill factory - either within the production cycle or as a service maintenance. Perhaps that's why the year suffix is missing.
The pipe markings are "418", "DUNHILL \ ROOT BRIAR", "MADE IN ENGLAND". The length is 13.4 cm (5.28"), bowl's height is 3.7 cm (1.46"). External diameter of the bowl is 4.4 cm (1.73"), internal diameter is 2.2 cm (0.87"). The depth is 2.8 cm (1.1") and this pipe weights 33 gr. Briar, vulcanite stem, patented aluminium stinger. A small, almost imperceptible, darkening on the frontal part of rim. Stinger enters the chamber a little bit tight, so it is better firstly to place the stinger and then screw the mouthpiece when assembling the pipe.