Found new owner
Not every Irish pipe is a Peterson. For example, in the 1970-80s Bruyere Pipe Limited (B.P.L.) from Dublin brought confusion to ranks of collectors and admirers of the Irish pipes. Of course, B.P.L didn't compete Peterson for a very long time, but it made a number of very nice smoking devices. On the other hand each Irish company thinks of Ireland first of all. Therefore the models of B.P.L. pipes were very familiar: Kilarney, Shannon Airport, Golden Shamrock (like this pipe).
The pipe markings are "B.P.L.", "GOLDEN SHAMROCK", "MADE IN DUBLIN \ IRELAND", "190 \ FT", "GOLDPLATE". The length is 13.8 cm (5.43"), bowl's hight is 4.2 cm (1.65"). External and internal diameters of the bowl are 3.0 cm (1.18") and 1.8 cm (0.71"). The depth is 3.6 cm (1.42") and this pipe weights 23 gr. Briar, vulcanite stem, no filter.