Sandblasted pipes markings
(Shell, Tanshell, ...)
(Shell, Tanshell, ...)
U.S.PATENTS 
1341418/20&1343253/20
1341418/20&1343253/20
U.S.PATENTS
1341418/20&18611910/32
1341418/20&18611910/32
CANADIAN PATENTS 209845/21 & 197365/20
PAT N° 209845/21 & 197365/20
First SHELL BRIAR
PAT.N° 1341418/20
PAT.N° 119708/17&116989/17
PROV.PAT.15114/34
PAT.N° 1130806/15
& 1341418/20
& 1341418/20
U.S.PATENT
1341418/20
1341418/20
ODA 800 series
First TANSHELL
Apparition of the white spot
DUNHILL'S "SHELL" MADE IN ENGLAND
PAT NO. XXXX 1 ... 9 0 11 ... 14
PAT NO. XXXX 1 ... 9 0 11 ... 14
119708/17.
BREV N°491232/18
BREV N°491232/18
PATENT MARCH.9.15
& 1341418/20
& 1341418/20
PAT.APP.FOR
PATENT MARCH.9.15
PATENT MARCH.9.15
MADE IN ENGLAND 15 16 ... 19 0 1
PAT NO. XXXX
PAT NO. XXXX
PAT N° 417574
MADE IN ENGLAND 2 3 ... 9 0
PAT NO. XXXX
PAT NO. XXXX
DUNHILL SHELL
DUNHILL SHELL
PAT N° 417574/34
MADE IN ENGLAND 1 2 3 4
PAT NO. XXXX
PAT NO. XXXX
DUNHILL
SHELL BRIAR
SHELL BRIAR
PAT N°5861/12 119708/17
PAT N° 119708/17 5861/12
PAT N° 119708/17 5861/12
DUNHILL
SHELL BRIAR
SHELL BRIAR
MADE IN
ENGLAND 5 6 ..... 9 0
Not allways underlined
ENGLAND 5 6 ..... 9 0
Not allways underlined
DUNHILL
TANSHELL
TANSHELL
MADE IN
ENGLAND 1 2 .. 4 5 ... 9 0
ENGLAND 1 2 .. 4 5 ... 9 0
MADE IN
ENGLAND 11 12 13 14
ENGLAND 11 12 13 14
MADE IN
ENGLAND 15 16 17
ENGLAND 15 16 17
MADE IN
ENGLAND 18 19 ... 38 39
Not allways underlined
ENGLAND 18 19 ... 38 39
Not allways underlined
5 digits shape number
First RED BARK
RED BARK discontinued
First COLLECTOR
First CUMBERLAND
First COUNTY
First SHILLING / RING GRAIN
MADE IN
ENGLAND 00 01 02 03 ...
ENGLAND 00 01 02 03 ...
DUNHILL
(In oval)
(In oval)
