Found new owner
A heavy, capacious and very moderately smoked Charatan's Make pipe of their best period ("Lane era"), i.e. 1960s - early 1970s, when the glory of Charatan's eclipsed all competitors, including Dunhill. Generally the stamping "DC" should reffer to a patented double comfort stem. But this tapered stem fits the spirit and style of the large refined bent pipe so we suspect these standards were not so pedantically followed at the Charatan's factory.
The pipe markings are "CHARATAN'S MAKE \ LONDON. ENGLAND \ SPECIAL", "4211DC". The length is 14.6 cm (5.75"), bowl's height is 5.5 cm (2.16"). External diameter of the bowl is 4.5 cm (1.77"), internal diameter is 2.3 cm (0.91"). The depth is 4.6 cm (1.81") and this pipe weights 65 gr. Briar, vulcanite stem, no filter.