Found new owner
The pipe was made during the "Lane" period (approximately between 1961 and 1965) and well known capital "L" is present on the right place. It seems the shape was quite popular, we saw similar pipes under Tinderbox trade mark (most possibly made by Charatan for this chain) and similar London Made Reject pipes (quite probably a side product of Charatan's factory).
So we sincerely recommend this pipe both for Charatan collectors and those who like to load a full pot of tobacco for a long tasty smoke!
The pipe markings are "CHARATAN'S MAKE \ LONDON ENGLAND \ BELVEDERE" and "3148DC"". The length is 14.0 cm, bowl's hight is 4.2 cm. External and internal diameters of the bowl are 4.2 cm and 2.5 cm. The depth is 3.5 cm and this pipe weights 38 gr. Briar, vulcanite stem (slightly corrected), no filter.