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Pens made after Parker stopped using date codes (early to mids) cannot be dated to a particular year, but you can at least narrow the possible range of years.% Free Online Dating in Parker, CO Parker's best FREE dating site!% Free Online Dating for Parker Singles at Our free personal ads are full of single women and men in Parker looking for serious relationships, a little online flirtation, or new friends to go out with.The stamp initially had three dots and for each quarter one dot was filed down leaving none for the fourth quarter. Since production was overlapping examples exist with either the imprint 28 or .8. Also, since this coding system extended over a decade, a pen marked 38 could be produced the third quarter either in 1938 or 1948.

There are some s Parker date codes that have both two digits and dots.Using the words "Quality pen", one letter per year, followed by a quarter marker, allowing for dating within a ten year span. So far the earliest date coded pens found have had the code NL for 1979, and all of these pens were made in the US. In 1950 a new system for the date coding was introduced where the two digits only indicated the year, not the quarter hence "50" means made in 1950, this system was used in the US until 1955 and in Canada a few years longer.. It has been assumed that Parker began marking some of their pens on the trim or cap bands to allow for dating in 1970.

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