On the Gillette three-hole blades are any figures (for example 333). I think it is a date code. Does anybody know the years for these codes?
Date code of Gillette three-hole blades
- Thread starter gillette-razor
- Start date
Starting in October 1911 until 1924 the three digit dating was used.
The first number is the year of decade.
The second and third numbers are the week of the year.
Therefore, 333 would be the 33rd week of 1913 or 1923. If the Diamond and Arrow trademark is 1 1/8" wide it is 1913. If it is 7/8" wide it is 1923.
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Prior to October of 1911 the date coding was as follows:
Number in upper left corner is year of century.
Number in upper right corner is month of year.
Number in lower left corner is day of month.
Number in lower right is steel case number.
Number in upper left corner is year of century.
Number in upper right corner is month of year.
Number in lower left corner is day of month.
Number in lower right is steel case number.
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From 1925-1929 it gets real fun.
There is a four digit number.
The first number is the decade.
The right hand digit of the sum of the second and third digits are the year of the decade.
The second digit and the fourth digit, read as a two digit number, is the number of the week of the year.
Told it was a fun one!
There is a four digit number.
The first number is the decade.
The right hand digit of the sum of the second and third digits are the year of the decade.
The second digit and the fourth digit, read as a two digit number, is the number of the week of the year.
Told it was a fun one!
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Damn, Guido, is there anything about Gillette razors you DON'T know? Lol...you da MAN!
- Thread starter
- #6
From 1925-1929 it gets real fun.
There is a four digit number.
The first number is the decade.
The right hand digit of the sum of the second and third digits are the year of the decade.
The second digit and the fourth digit, read as a two digit number, is the number of the week of the year.
Told it was a fun one!
Your knowledge are voluminous. Do you have Gillette Archives?
Thanks a lot.
He IS Gillette Archives...
Your knowledge are voluminous. Do you have Gillette Archives?
Thanks a lot.
I wish I did. But, this information can actually be found in Krumholz' Collector's Guide to American Razor Blades.
I really need to check to see if I might have an example of each for illustration purposes.
- Thread starter
- #9
Okay but you have all of that in your head...and it's indeed great.
Archives? We have Guido. Moar better!
