Found new owner
Thanks to Dunhill's clearness and punctuality - there's everything crystal clear with this pipe dating and grading. This is the wonderful and lightweight Root briar pipe (the highest mass market grade) made in 1968. The shape number 83 is called a horn or a yacht - what you like more. Nice, amazing and beautiful pipe!
The pipe markings are "DUNHILL \ ROOT BRIAR", "83", "F/T", "MADE IN \ ENGLAND 8", "(3) R". The length is 14.0 cm, bowl's hight is 4.6 cm. External and internal diameters of the bowl are 3.2 cm and 1.9 cm. The depth is 3.7 cm and this pipe weights 28 gr. Briar, vulcanite stem, no filter. The chamber has been protected with the break-in coat.