I've been a fan of the first-year Hundred Year Pen for many years, and finally obtained my "grail pen," one in jet black, and restored it last year. I have also held in my hands a transparent red version, and a green version, but never a blue.
I have a couple questions for the many who are more experienced than I...
1. Do full-length transparent blue 1939 HYPs exist? Has anyone seen one or owns one (photos?)
2. I specify "full-length" above, because I have seen on several occasions a first-year HYP in jet with transparent blue ENDS -- the tip of the cap under the over-the-top clip, and the rounded end of the barrel. Was this just a variation that was made, and only in blue? I have never seen a corresponding version in red or green. Again, invitations to show off your own specimens are definitely implied. : )
Here is mine, next to the stationery (I believe from Richard Binder's site originally) with which a friend still writes to me, and that first inspired my desire for the pen...