Your Dunhill pipe has been crafted between 1921 and 1954
The patent number is 417574/34
suffix [0]
suffix [2...9]
suffix [1..4]
1950
1920
+ suffix
1950
+ suffix
Patent Root Briar 1933
Bruyere (Modified bulldog) 1925
Patent Hand Worked 1923
Patent Root 1954
LC shape, 1953
1940
+ suffix
Patent Bruyere 1948
Shell 1950
Patent Root 1942
suffix [2...9]
or [11...19]
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Continue dating
suffix [1]
suffix [0]
1921
1930
Inner tube 1930
1940
+ suffix
Patent Bruyere 1940
yes
no
Your pipe is stamped
"INNER TUBE"
DUNHILL stamping
over LONDON ?
DUNHILL stamping
aligned with SHELL ?
yes
no
Smooth
Sanded
yes
or
no
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