The Parker '17' Lady was introduced into the Parker Duofold line in 1964 and replaced with the Parker Lady Standard in 1968.
The Parker Lady, along with the rest of the U.K. Duofold line, was produced in 4 solid colours: Red, Blue, Black, and Green. Not counting the rolled Gold Insignia model this means that four pens constitute a complete collection of Parker '17' Ladies.
This is a collection of all four colours, all the pens are in excellent condition, fully serviced and tested and ready for display or use.
For an aspiring collector this is a great staring point starting point. These four pens were among the earliest pens in my own collection many years ago. I now have enough duplicates to recycle them but thought it best to keep them together rather than split the set.