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Brand Dating Guides
Peterson pipes can often be dated within a few years — sometimes to an exact year — from four independent marks: the country-of-manufacture stamp, the Dublin silver hallmark, the shape number, and the line name. This guide reads each one honestly, brackets included.
Updated 2026-07-23
Kapp & Peterson has stamped its pipes with datable marks for longer than almost any maker in the world. Ireland itself helped: every time the country changed its name — Irish Free State, Éire, Republic of Ireland — the stamp on the shank changed with it. Add Dublin's silver hallmarking system, catalogued shape numbers, and dated line launches, and a Peterson often carries three or four independent witnesses to its age.
Our method is to read each witness separately, then take the years where they agree. Where witnesses disagree, we say so — an honest 'circa' backed by evidence is worth more than a confident year pulled from thin air.
From the primary record
The earliest Peterson print reference in our own archive is the Irish Times of 2 June 1893: three "Peterson's Patent Pipes" offered as raffle prizes at the Kosmos Ballots — the brand already gift-worthy three years after Charles Peterson's 1890 patent.
A year later, the Irish Times of 16 May 1894 reports Kapp v. Lalor in the Chancery Division: a Dublin tobacconist had taken B.B.B. pipes and re-bored them to fake the Peterson System reservoir. No defence was filed; the court granted a perpetual injunction. The System was worth counterfeiting within four years of its patent — and the court record preserves the System's own legal description: a reservoir in the bowl and a tapered mouthpiece that keeps moisture from reaching the mouth.
Start with the country-of-manufacture stamp — it gives the widest honest bracket. If the pipe wears a sterling silver band, the Dublin hallmark date letter can narrow that to an exact year (with one caveat below). The shape number can confirm or veto: a shape that did not exist before 1937 cannot sit on an 1896 pipe. Finally the line name sets a floor — a Sherlock Holmes cannot predate 1987.
One caveat we always apply: bands were stamped in batches and stockpiled, so a hallmark can honestly predate the finished pipe by one to three years. And one famous trap: the 1990 Commemorative Straight Patent is stamped "1890–1990" and mimics a Patent-era pipe so well it has fooled experienced collectors. The second year is the year of manufacture.
Ireland's political history, written on the shank. Brackets follow the maker's documented usage, not the state's dates alone — overlaps were real and are kept.
“Peterson's Patent”
The Patent era, from Charles Peterson's 1890 System patent.
“Made in England” / “London England”
The London factory era.
“Irish Free State”
One or two lines; adopted 1922, replaced when the state was renamed in 1937.
“Made in Eire” (circle)
Sources disagree on the end year (1941 vs 1947) — we keep the wide honest bracket. The “Made in Ireland” circle appears from ~1945; the overlap is real.
“Eire” (bare)
After the 1937 renaming, before the Republic.
“Made in Ireland” (no “Republic”)
Pre-Republic. Block format leans 1947–1949; circle format leans 1945–1947.
“Made in the Republic of Ireland”
The post-1949 stamp, still in use.
A sterling band carries the Dublin assay marks including a date letter — the closest thing to an exact year in pipe dating. Read with the batch caveat: the band can predate the pipe by 1–3 years.
Date letter (Dublin assay)
Until 1931 the letter changed on June 1 (one letter spans two calendar years); from 1932 it changed on January 1.
No hallmark on a silver-look band
Peterson bands from this window commonly lack hallmarks; several lines (Aran, Kapruf, Dracula, Rosslare) use unhallmarked nickel.
Fourth commemorative mark
1966 Sword of Light (Easter Rising 50th — two independent sources), 1973 Glenisheen Collar, 1987 Dublin Crest, 1988 Dublin Millennium, 1999 millennium mark. Presence dates; absence never does — many 1987/88 pipes lack the mark.
From Mark Irwin's System Shapes research — the Peterson authority — cross-checked against documented hallmarks. First-year sources are paper records; hallmarked examples can precede the paper by a year or three, and our windows take the earliest documented evidence.
Any 300-group shape (3XX)
The 1937 catalog renumbering. Before it, the same shapes carried 1896-catalog numbers (2, 4, 9, 14…).
301 / 302 / 303
First new System shapes since the 1930s, introduced in the 1978 Peterson–Glass catalog.
304 · 306(b)
The Flat Bottom brochure shapes (Paddy Larrigan designs).
305(a) bent dublin
The shortest-lived System shape: hallmarked from 1975 (before its 1978 catalog debut), replaced by the (b) calabash by 1984.
305(b) calabash
Documented Premier hallmark 1984, catalogues from 1986; the XL version launched the 1988 Sherlock Holmes range.
O1 / O2 / O3 House Pipes
The oversize “Extra Large” shapes of the 1896/1906 catalogs. Trap: the later Shamrock 02 is a different, slimmer pipe — the rule does not apply to Shamrock-line pipes.
308 large billiard
Number assigned 1937 (the 1896 shape 14), dropped 1959; it inspired the 1981 Mark Twain Commemorative.
309 bent dutch
The “Thinking Man” shape; discontinued 2013 with a few late stragglers.
31 straight System
The only straight System in continuous production. Confirm the System features (P-Lip, reservoir) before dating by this number alone — early straight Patents used shapes 29–36.
A line name sets the earliest possible year. It never sets a ceiling — most lines continue.
System
The founding line.
Kapruf
One of the few closed windows.
De Luxe
Aran
Sherlock Holmes
Christmas pipes
St. Patrick's Day
Rosslare
Halloween
Dracula
Founders
Pub Pipe
What We Don't Know Yet
Published deliberately. If you hold the catalogue, hallmarked example, or period document that closes one of these gaps, write to us — corrections are credited.
Changelog
Sources
Holding a Petersonyou can't place? Our shelves usually hold a few — documented to this same standard.
Peterson in the Shop