1922 - 1925 - Date Code

FIRST EXAMPLE (1922):

Stampings:

[S1] Ao [---] DUNHILL [‘D’with tails /] LONDON [shorter then ‘dunhill’]

[S2] MADE IN ENGLAND 2 [/] "INNER TUBE" [/]PATENTED MARCH . 9 . 15 [---]173 [/] EX.

Picture:

[note, I believe the ‘ex’ stamping indicates a pipe given in 'exchange' under the then new Dunhill guarantee as this is the standard stamping later used by Dunhill for exchanged pipes..]

Picture of another pipe (a model '59') with identical nomenclature except of model number and 'ex':

 

SECOND EXAMPLE (1922):

Stampings:

[S1] Ao [---] DUNHILL [‘D’with tails /] LONDON [shorter then ‘dunhill’]

[S2] MADE IN ENGLAND 2 [/] "INNER TUBE" [/]PATENTED 1914 [---] 115

Picture:

[note, the Canadian inner tube patent 158709 was granted December 3, 1914.]

THIRD EXAMPLE (1922):

Stampings:

[S1] DR [---] DUNHILL [‘D’with tails /] LONDON [shorter then ‘dunhill’] <>

[S2] "INNER TUBE" [/]PAT. No 5861/12 2 [---] 24

Picture:

 

 FOURTH EXAMPLE (1922):

Stampings:

[S1] A [---] DUNHILL [no 'd' tails /] LONDON [shorter then ‘dunhill’]

[S2] "INNER TUBE" [/] PAT. No 5861/12 2 [---] 315

Picture:

 

FIFTH EXAMPLE (1923):

Stampings:

[S1] Ao [---] DUNHILL [no 'd' tails /] LONDON [shorter then ‘dunhill’]

[S2] MADE IN ENGLAND 3 [/] "INNER TUBE" [/] PATENTED MARCH . 9 . 15 [---] 137

Picture:

 

SIXTH EXAMPLE (1924):

Stampings:

[S1] Ao [---] DUNHILL [no 'd' tails /] LONDON [shorter then ‘dunhill’]

[S2] MADE IN ENGLAND 4 [/] "INNER TUBE" [/] PATENT No 1130806/15 [---] 60

Picture:

 

NO EXAMPLE OF A 1925 PIPE